Xprinter XP-80T 80mm Thermal Receipt Printer Press to download driver: XPrinter Driver Setup V7.77 Press to download driver: XPrinter Driver Setup V7.77
Genuine-spec Touch Bar assembly with integrated flex cable for MacBook Pro 15″ (Models A1706 – 2017 and A1989 – 2018)—fully restores dynamic Touch ID, system controls, and app-specific functions with OEM-level fit and reliability. Compatible With: MacBook Pro 15″ (2017) – Model A1706 (Intel Core i7/i9, 4 Thunderbolt 3 ports) MacBook Pro 15″ (2018) – Model A1989 (Intel Core i7/i9, 4 Thunderbolt 3 ports) MacBook Pro 15″ (2017) – Model A1706 (Intel Core i7/i9, 4 Thunderbolt 3 ports) MacBook Pro 15″ (2018) – Model A1989 (Intel Core i7/i9, 4 Thunderbolt 3 ports) Includes: Complete Touch Bar module with pre-attached flex cable, integrated Touch ID sensor (doubles as power button), and ambient light sensor—ready for direct connection to the logic board. Full Functionality: Restores all Touch Bar features including dynamic app controls, system brightness/volume sliders, Siri, and fingerprint authentication via Touch ID. Color Match: Available in Space Gray and Silver—select the finish that matches your MacBook’s top case. OEM-Quality Build: Matches Apple’s original dimensions, sensor alignment, and surface texture—ensures seamless integration with macOS and consistent responsiveness. Installation Note: Requires full top case disassembly. The flex cable routes under the left speaker and connects near the logic board—precision is critical to avoid damage. Recommended for experienced technicians.
The AOC 25G4S Gaming Monitor 24.5″ delivers ultra-smooth visuals and responsive performance for competitive gaming. First, it features a fast 310 Hz refresh rate that minimizes motion blur and keeps gameplay fluid, giving you an edge in fast-paced titles. In addition, the IPS panel provides vibrant colors and wide viewing angles, so visuals stay clear from almost any position. Its 24.5-inch size balances immersive framing with minimal desk space, making it ideal for focused gaming setups. Moreover, adaptive sync support reduces screen tearing and stuttering for seamless gameplay. The ergonomic stand allows tilt and height adjustment for comfortable long sessions. Finally, built-in gaming features like customizable crosshairs and on-screen timers help tailor your experience to your play style. With the AOC 25G4S 24.5″ 310 Hz IPS Gaming Monitor, you get competitive-level performance, vivid visuals, and smooth responsiveness designed for serious gamers. Check out other option here! Specifications: 24.5″ IPS panel with vibrant colors and wide viewing angles Ultra-fast 310 Hz refresh rate for smooth, responsive gaming Adaptive sync support to reduce screen tearing and stutter Ergonomic stand with tilt and height adjustment Built-in gaming tools like crosshairs and on-screen timers
AOC U32G3X 32-inch 4K 144Hz gaming monitor delivers ultra-sharp visuals and high-speed performance for gaming and productivity. It combines UHD resolution with fast refresh rate and low response time for smooth and detailed gameplay. Additionally, it features a 31.5-inch IPS panel with 4K UHD resolution (3840 × 2160). This resolution provides very high image clarity, so it improves detail in games, design, and media work. Moreover, the monitor supports a 144Hz refresh rate with 1ms response time. As a result, it delivers smooth motion and reduces blur in fast-paced gaming scenarios. The display uses Fast IPS technology. Therefore, it ensures accurate colors and wide viewing angles while maintaining fast pixel response. In addition, it includes Adaptive Sync support. This reduces screen tearing and stuttering, so gameplay remains stable and fluid across variable frame rates. Furthermore, it supports HDR and high brightness performance. This improves contrast and enhances visual depth in supported content. The monitor also includes HDMI 2.1 and DisplayPort connectivity. So it supports modern GPUs and high-resolution, high-refresh gaming setups. AOC U32G3X 32-inch 4K 144Hz gaming monitor provides a strong balance of ultra-high resolution and competitive gaming performance for advanced users. Check out other option here! Specifications: 31.5-inch Fast IPS panel with 4K UHD 3840 × 2160 resolution 144Hz refresh rate for smooth gaming performance 1ms response time for reduced motion blur Adaptive Sync for tear-free gameplay HDMI 2.1 and DisplayPort support for modern setups
The Samsung 43-Inch Full HD Smart TV UA43F6000FUXTW uses a 43-inch LCD panel with 1920 × 1080 resolution. It delivers standard Full HD picture quality for everyday TV viewing, streaming, and basic entertainment use. The display supports Full HD resolution, which shows clear and detailed images for HD content. In addition, Samsung picture processing improves lower-resolution sources to reduce noise and enhance clarity on the screen. The TV runs a native 60 Hz refresh rate. Also, motion processing helps reduce blur in fast-moving scenes such as sports and action content. Samsung equips this model with a Smart TV platform based on Tizen OS. Therefore, users can access streaming apps, online content, and basic smart features through a simple interface. Connectivity includes HDMI ports, USB ports, Wi-Fi, Bluetooth, Ethernet LAN, and optical audio output. In addition, the TV supports external devices such as game consoles, set-top boxes, and sound systems. This model focuses on Full HD resolution, essential smart TV functions, and basic connectivity without 4K resolution or advanced display processing features. Specifications: 43-inch LCD panel with 1920 × 1080 Full HD resolution 60 Hz native refresh rate display Tizen OS smart platform with streaming apps HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity Supports external devices like consoles and media players
BenQ RE8604 86” 4K UHD Interactive Flat Panel is a large interactive display designed for classrooms, meeting rooms, and training environments. It supports touch interaction, built-in Android system, and 4K resolution for collaboration and presentations. It features an 86-inch IPS panel with 3840 × 2160 4K UHD resolution. Therefore, it delivers sharp visuals and wide viewing angles for group use. In addition, it supports up to 40-point multi-touch input for writing and collaboration. Moreover, it runs an Android-based system (EDLA-supported depending on configuration). As a result, users can open apps, use whiteboard tools, and present content directly on the display without an external PC. The display includes anti-glare glass. Therefore, it remains readable in bright environments. In addition, it supports 4K 60Hz output for smooth visuals during presentations and video playback. Furthermore, it includes HDMI, USB, USB-C, LAN, and OPS slot connectivity. As a result, it works with laptops, external PCs, and modular computing systems. It also includes built-in speakers for classroom and meeting audio. Therefore, it supports presentations without extra sound systems. Finally, the BenQ RE8604 delivers a large 4K interactive workspace with multi-touch control and flexible connectivity for education and business use. Specifications: Display: 86-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch support for collaboration System: Android-based interactive platform (EDLA support depending on model) Connectivity: HDMI, USB, USB-C, LAN, and OPS slot Display: Anti-glare screen with 4K 60Hz smooth output
Xiaomi TV Box S (2nd Gen) 4K Ultra HD Streaming Media Player, Google TV Box with 2GB RAM 8GB ROM, 2.4G/5G Dual WiFi, Bluetooth 5.2 & Dolby Atmos & DTS-HD, Dolby Vision, HDR10+ About this item 4K Ultra HD Image Quality: 4K Ultra HD realizes a more detailed and vivid image for you to immerse yourself in. Dolby Vision & HDR10+: A crisper image in any lighting condition. With Dolby Vision and HDR10+, images now feature a higher dynamic range, and have more amazing brightness, contrast and color than before. HDR images also have more detailed shadows and highlights. Dolby Atmos & DTS-HD: Extraordinary audio experience. As revolutionary spatial audio technology, Dolby Atmos brings the ultimate cinema experience into your living room by surrounding you with powerful sound effects, and also, DTS-HD delivers extraordinarily high-quality sound. Powerful Processor: Accelerated experience: The quad-core CPU delivers efficient performance. With high-performance GPU, the TV can now become your new entertainment platform. The 2GB RAM + 8GB ROM combo offers a smoother viewing experience. Google TV: Entertainment you love, with a little help from Google. Google TV brings together movies, shows, and more from across your apps and subscriptions and organizes them just for you. Discover new things to watch with recommendations based on what you watch and what interests you, from across your subscriptions and content available to you. Ok Google: Your TV is more helpful than ever. Ask Google to find movies, stream apps, play music, and control the TV – all with your voice. Even get answers, control smart home devices, and more. Just say “Ok Google” or press the Google Assistant button on the remote to get started. 360° Bluetooth & IR Remote Control: The intuitive button layout and Bluetooth allows you to access your favorite content much quicker from any angle. With the built-in IR, you can also control power and volume on your TV or soundbar, all with a single remote. Wireless Projection: Upgraded viewing angle. Chromecast Built-in makes it easier to project content from smart devices onto the TV, which allows for a wider viewing angle. Mainstream Ports: Enable more possibilities. Abundant options of mainstream ports that allow easy expansion without restrictions. Get up and running in 3 simple steps: 1. Attach Xiaomi TV Box S (2nd Gen) to your TV HDMI port. 2. Connect to the Internet. 3. Start streaming. (Xaomi Quality Trustworthy. “TechFuture US” Store provides 13 months warranty for this product(ASIN: B0BZC43HX8).) Show less
HP 5 Pro 524pf Monitor Overview The HP 5 Pro 524pf is a 24-inch Full HD monitor designed for daily productivity. It delivers clear visuals and a clean modern design. As a result, it fits offices, students, and home workspaces. 24-Inch Full HD Display This monitor features a 24-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and balanced. Because of this, it supports long working sessions without fatigue. In addition, wide viewing angles improve visibility. As a result, content stays clear from different positions. Smooth Performance for Daily Tasks The HP 5 Pro 524pf provides smooth visuals for everyday use. As a result, scrolling and browsing feel natural. Furthermore, the display maintains consistent brightness. This improves overall viewing comfort. Eye Comfort and Anti-Glare Screen This monitor includes eye comfort features. Therefore, it helps reduce eye strain during extended use. In addition, the anti-glare coating limits reflections. As a result, the screen stays clear in bright environments. Connectivity and Easy Setup The HP 5 Pro 524pf includes HDMI connectivity. As a result, it connects easily to laptops and desktops. Moreover, setup is quick and simple. Therefore, users can start working immediately. Sleek Design and Mounting Options The monitor features a slim and modern design. In addition, it supports VESA mounting. As a result, users can customize their workspace layout. Ideal for Work and Home Use This monitor focuses on clarity and reliability. Moreover, it suits office work, studying, and media viewing. In conclusion, the HP 5 Pro 524pf is a practical Full HD monitor for everyday use. Specifications: Display: 23.8-inch diagonal, IPS panel, 16:9 aspect ratio, 93 PPI, anti-glare. Performance: 100Hz refresh rate (50-100Hz range), 5ms GtG response time, 350 nits brightness. Connectivity: HDMI 1.4, DisplayPort 1.2, and a USB hub.
HP E24 G5 FHD Monitor If you’re in the market for an affordable yet high-quality monitor for your everyday computing needs, look no further than the HP E24 G5 FHD Monitor. This versatile monitor is designed to meet your requirements without breaking the bank. The HP E24 G5 features a Full High Definition (FHD) display, ensuring that you’ll enjoy sharp and vivid visuals whether you’re working on documents, streaming content, or engaging in light gaming. With its 24-inch screen size, this monitor strikes a balance between providing adequate screen real estate for multitasking and conserving desk space. It’s an ideal addition to compact workstations. Setting up the E24 G5 is a breeze, thanks to its user-friendly interface and easy connectivity options. You can swiftly connect it to your PC or laptop and start your computing tasks without any hassle. The monitor’s design is both sleek and functional, making it a practical addition to any workspace. Its compact and modern appearance easily complements your existing setup. Whether you’re a student, professional, or home user, the HP E24 G5 delivers reliable performance without straining your budget. It’s a cost-effective choice that doesn’t compromise on quality. Specifications: 23.8″ FHD (1920 x 1080 @ 75 Hz) Flat IPS with Edge-lit 1 HDMI 1.4, 1 DisplayPort™ 1.2 Tilt and Height Adjustable, Pivot, Swivel Stand, VESA Mountable On-screen controls, Anti-glare, HP Eye Ease
Dell 19.5V 4.62A 90 Watt Replacement Laptop Adapter/Charger New Small Pin 4.5 x 3.0 mm for Dell Latitude 3500 3379 3400 3301 3590 3490 7370, RWHHR, 450-AECO (Power Cord Included)
Looking for a reliable monitor that combines performance and affordability? The BenQ GW2780 monitor might be your perfect choice, offering an array of features to enhance your visual experience. To begin with, the GW2780 boasts a sleek design that seamlessly blends with any workspace. Its slim bezels create a borderless display, providing an immersive viewing experience for work or entertainment. Equipped with a 27-inch Full HD display, the monitor delivers crisp and clear visuals. Whether you’re working on spreadsheets, watching videos, or gaming, the GW2780 ensures sharp images and vibrant colors. The In-Plane Switching (IPS) technology ensures wide viewing angles, allowing you to enjoy consistent colors and brightness from any angle. Say goodbye to distorted colors and limited viewing positions. Eye strain is a thing of the past with the BenQ GW2780. The Low Blue Light technology reduces harmful blue light emissions, and the flicker-free feature eliminates screen flickering, providing a comfortable viewing experience for extended periods. Connectivity is a breeze with the multiple ports, including HDMI and VGA. Easily link your monitor to various devices such as laptops, desktops, and gaming consoles. The user-friendly design ensures a hassle-free setup. The BenQ GW2780 monitor not only prioritizes performance but also energy efficiency. Energy Star certification reflects its commitment to reducing environmental impact, making it an eco-friendly choice. In summary, the BenQ GW2780 monitor offers a winning combination of affordability and top-notch features. Elevate your viewing experience with this reliable display solution that caters to your entertainment and productivity needs effortlessly. Specifications: Display : 27″ IPS Resolution : 1920×1080 IPS Response Time : 5ms Refresh Rate : 60hz
The Lenovo Legion R24e is a 23.8-inch Full HD gaming monitor designed for smooth competitive gameplay and responsive visual performance. It uses an IPS panel with a high refresh rate for improved motion clarity and wide viewing angles. Additionally, its slim NearEdgeless design fits modern gaming and workstation setups. This monitor delivers a 1920 × 1080 resolution with up to 180Hz refresh rate support. Moreover, it features a 0.5ms MPRT response time to reduce motion blur during fast-paced gaming sessions. The Lenovo Legion R24e also supports AMD FreeSync technology for smoother gameplay with reduced screen tearing. The IPS panel provides 99% sRGB color coverage and wide 178-degree viewing angles for accurate and consistent image quality. Therefore, the monitor works well for gaming, streaming, and everyday multimedia tasks. It also includes anti-glare screen treatment for improved viewing comfort. The Lenovo Legion R24e includes HDMI 2.1 TMDS and DisplayPort 1.4 connectivity for gaming PCs and consoles. Additionally, the ergonomic stand supports tilt, swivel, pivot, and height adjustment for flexible positioning. VESA mount compatibility also allows wall or monitor arm installation. Community feedback highlights the monitor’s strong color quality, smooth refresh rate performance, and good value for competitive gaming setups. Specifications: 23.8-inch Full HD IPS gaming display 180Hz refresh rate for smooth gameplay 0.5ms MPRT response time for reduced blur AMD FreeSync support for tear-free visuals Ergonomic stand with height, tilt, swivel, and pivot adjustment
New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13'' 15''A1990 A1989 Keyboard 2018/2019 Year New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13” 15”A1990 A1989 Keyboard 2018/2019 Year New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13” 15”A1990 A1989 Keyboard 2018/2019 Year We have Perfect after-sales services We share the latest information on laptop spare parts For all our customers. This is NOT an easy job for someone who has no technical skills with Disassembling or Assembling a laptop, So only purchase this item if you know how to install it. Each Keyboard is tested before shipping and working.
Ready to take your gaming setup to the next level? Look no further than the ViewSonic 32” 75Hz FHD Monitor VA3209-MH. This monitor offers a perfect blend of performance and immersion for gamers. With a generous 32-inch display, immerse yourself in stunning Full HD visuals. Every detail pops with clarity and vibrancy, bringing your favorite games to life in vivid color. Transitioning to performance, the VA3209-MH boasts a smooth 75Hz refresh rate, ensuring fluid motion and reduced motion blur during fast-paced gaming action. Say goodbye to screen tearing and hello to seamless gameplay. Moreover, this monitor features built-in speakers, eliminating the need for external audio devices. Immerse yourself in crystal-clear sound as you explore virtual worlds and engage in epic battles. The ViewSonic 32” 75Hz FHD Monitor VA3209-MH is designed with your comfort in mind. Its ergonomic stand allows for customizable tilt adjustments, ensuring optimal viewing angles for extended gaming sessions. In addition, connectivity options such as HDMI and VGA ports offer versatile compatibility with various gaming consoles and devices. Switch between platforms seamlessly and enjoy your favorite games without limitations. In conclusion, the ViewSonic 32” FHD Monitor VA3209-MH is a game-changer for gamers seeking immersive experiences. With its stunning visuals, smooth performance, and built-in speakers, it delivers everything you need for an unforgettable gaming journey. Upgrade your setup today and elevate your gaming to new heights. Specifications: Display : 32″ IPS Resolution : FHD(1920×1080) Refresh Rate : 75Hz Response Rate : 4ms
AOC 24G4E 24-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gaming. It focuses on smooth motion, low latency, and clear visual quality for everyday gameplay. Additionally, it features a 23.8-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides sharp detail and wide viewing angles, so it ensures consistent image quality in games and general use. Moreover, it supports a 180Hz refresh rate with 1ms GtG and 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced action. The monitor includes Adaptive Sync and G-SYNC compatibility. Therefore, it reduces screen tearing and stuttering for stable gameplay performance. In addition, it supports HDR10 and low input lag mode. These features improve contrast and responsiveness during gaming sessions. Furthermore, it offers a three-sided frameless design with HDMI 2.0 and DisplayPort 1.4 connectivity. This makes it suitable for modern gaming setups and multi-monitor use. AOC 24G4E 24-inch 180Hz gaming monitor provides smooth performance, fast response, and essential competitive gaming features. Check out other option here! Specifications: 23.8-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 1ms GtG and 0.5ms MPRT response time Adaptive Sync and G-SYNC compatible support HDR10 with low input lag mode for better responsiveness
The Samsung 75″ QLED 4K Smart TV QA75Q7FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look detailed and immersive on the large 75-inch screen. QLED technology uses Quantum Dot enhancement to improve brightness and color accuracy. As a result, visuals appear more vivid and balanced across both dark and bright scenes. This helps maintain consistent picture quality in different lighting conditions and content types. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal performance. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between applications. In addition, the slim design with thin bezels gives the Samsung 75 QLED 4K Smart TV QA75Q7FAAUXTW a modern and premium appearance suitable for large living spaces. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for an immersive home entertainment experience. Specifications: QLED technology delivers bright and vivid picture quality 75-inch 4K display provides immersive viewing experience Vision AI optimizes picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
WIWU Alpha tech pouch 1.Designed for Mac book accessories 2.Exquisite internal storage space, neat and tidy, get rid of clutter 3.Durable YKK water resistance zipper
The 85W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. The 85W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. Compatible with MacBook Pro with 13-inch Retina display. See this article for more details about choosing the right one. Knowing which specific Mac model you have is important. If you are running OS X Lion (10.7) or later go to the “” menu at the top left of your screen, choose “About this Mac” then click the “More Info…” button. Your Mac model and generation will be displayed. If you are running an earlier version of OS X, you can enter your serial number here to find out which model you have. COMPATIBILITY Mac Models: MacBook Pro (Retina, 13-inch, Late 2012 – 2015)
The Lenovo G34w-10 34″ Monitor delivers immersive and smooth visuals for gaming and multimedia.It features a 34-inch WQHD curved display that provides crisp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion in fast-paced games and videos. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time helps reduce blur and ghosting during competitive gaming. The curved design and anti-glare screen enhance immersion and minimize reflections in bright environments. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and gaming consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies reduce eye strain over extended use. This display is ideal for gamers, streamers, and home users alike. Therefore, it supports competitive gaming, media streaming, and everyday computing. Finally, it combines immersive visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 34″ WQHD curved VA panel Resolution: 3440 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
The MSI G27CQ4 E2 27″ 170Hz gaming monitor offers stunning visuals and smooth gameplay, ensuring you have the best gaming experience possible. Firstly, the MSI G27CQ4 E2 boasts a 27-inch curved display. This size and curvature provide an immersive viewing experience, allowing you to fully engage in your favorite games. The 2560×1440 resolution ensures crisp and clear visuals, making every detail come to life. Additionally, this monitor features a 170Hz refresh rate. With such a high refresh rate, you can enjoy fluid motion without any lag. This is crucial for fast-paced games where every millisecond counts. Paired with a 1ms response time, the MSI G27CQ4 E2 ensures quick and accurate responses to your inputs. Moreover, the monitor supports AMD FreeSync technology. This helps eliminate screen tearing and stuttering, providing a seamless gaming experience. You can game for hours without worrying about visual disruptions. The MSI G27CQ4 E2 also comes with multiple connectivity options. It includes HDMI and DisplayPort inputs, allowing you to connect to various devices. This versatility ensures that you can easily set up your gaming station. In terms of design, the MSI G27CQ4 is sleek and modern. Its slim bezels and stylish stand add a touch of elegance to your gaming setup. The adjustable stand also allows you to find the perfect viewing angle for maximum comfort. In conclusion, the MSI G27CQ4 E2 27″ 170Hz gaming monitor is the ideal choice for gamers seeking top-tier performance. Its combination of stunning visuals, smooth gameplay, and versatile features make it a must-have. Upgrade your gaming experience with the MSI G27CQ4 today! Specifications: Display : 27″ VA Resolution : 2560 x 1440 (WQHD) Refresh Rate : 170Hz Response Rate : 1ms Curvature : 1500R