Specification Details Input/Output Other Battery Capacity (mAh) 5000 Number of Devices Connectable Simultaneously 1 Touch Screen No Sound Mode Stereo Sound Mode Category Speakers Use Camping Tweeter Material Other Bluetooth Version 5.0 Input Power (W) 25-49 W Voice Control Yes Frequency Range 80 Hz – 20 KHz Display Screen No Waterproof Yes Support APP Yes Support Memory Card Yes Material Plastic Playback Function MP3, FLAC, APE, WAV Remote Control No Intelligent Personal Assistant Built-in Microphone Yes Audio Crossover Full-Range Number of Loudspeaker Enclosures 2 Power Source Battery PMPO 40 W Channels 1.1 Communication Audio Line Speaker Type Portable Cabinet Material Plastic Brand Name YIBOLANG Origin Mainland China Certification CE
The Lenovo ThinkVision T32h-30 31.5″ 60Hz 2K Business Monitor is built for productivity and comfort. It offers a large and clear display that helps you work more efficiently. This monitor is perfect for offices, creators, and home workspaces. With its 31.5-inch 2K resolution, the Lenovo ThinkVision T32h-30 31.5″ 60Hz 2K Business Monitor delivers sharp details and bright colors. Text looks clean and images appear crisp. Therefore, you can enjoy better clarity during long work sessions. The 60Hz refresh rate ensures smooth motion for daily tasks. It is ideal for spreadsheets, browsing, and video meetings. As a result, your workflow feels more stable and comfortable. The Lenovo ThinkVision T32h-30 31.5″ 60Hz 2K Business Monitor features ultra-thin bezels for a modern design. This also makes multi-monitor setups more seamless and visually appealing. Its ergonomic stand allows tilt, swivel, and height adjustments. You can set the perfect viewing angle and reduce strain. Moreover, it uses low blue light technology to protect your eyes during long hours. The monitor includes USB-C, HDMI, and DisplayPort connections. With USB-C, you can charge your laptop and transfer data with one cable. This helps keep your workspace clean and organized. In summary, the Lenovo ThinkVision T32h-30 31.5″ 60Hz 2K Business Monitor offers clarity, comfort, and strong connectivity. It is an excellent choice for professionals who need space, precision, and modern features. Specifications: Display : 31.5″ IPS Resolution : 2K (2560×1440) Refresh Rate : 60Hz Response Time : 4ms GtG
The ViewSonic VA2708-2K-MHD is a 27-inch monitor featuring a SuperClear IPS panel with QHD resolution (2560 × 1440). The higher resolution provides more screen space and sharper image quality compared to standard Full HD displays, making it suitable for office work, content consumption, and everyday productivity. The monitor supports a refresh rate of up to 100Hz. As a result, scrolling, video playback, and general desktop use appear smoother than on traditional 60Hz displays. In addition, the display offers a 1ms MPRT response time to help reduce perceived motion blur. The IPS panel provides wide 178° horizontal and vertical viewing angles. Therefore, colors and brightness remain more consistent when viewed from different positions. ViewSonic includes built-in stereo speakers for basic audio playback. This eliminates the need for external speakers in many office and home environments. Connectivity includes HDMI, DisplayPort, and VGA inputs, allowing compatibility with modern and legacy devices. The monitor also supports VESA wall mounting for flexible installation options. The VA2708-2K-MHD focuses on sharp QHD image quality, smooth 100Hz performance, and versatile connectivity for everyday computing tasks. Specifications: 2K QHD 2560 X 1440 resolution SuperClear® IPS panel 100Hz Variable refresh rate delivers fluid visuals 1ms (MPRT) response time for precision HDR10 Delivers Stellar Contrast and Color Accuracy
AOC Q27P3CW 27″ QHD monitor with webcam delivers a professional workspace solution with sharp visuals, built-in communication tools, and modern connectivity. It is designed for productivity, remote work, and multitasking environments. Additionally, it features a 27-inch QHD IPS display. This display provides 2560 × 1440 resolution, so it delivers clear detail and accurate colors for work and media. Moreover, it includes a 100Hz refresh rate and 4ms response time. As a result, it ensures smooth visuals and responsive performance during daily tasks. The monitor integrates a 5MP webcam with Windows Hello support. Therefore, it enables secure login and high-quality video calls without extra accessories. In addition, it offers USB-C connectivity with power delivery up to 90W. This allows a single cable to handle display, data, and charging for compatible laptops. Furthermore, it includes built-in dual 5W speakers, USB hub, RJ-45 Ethernet, and multiple display outputs. These features improve workspace efficiency and reduce cable clutter. AOC Q27P3CW 27″ QHD monitor with webcam provides a complete all-in-one display solution for professionals who need clarity, connectivity, and integrated communication tools. Specifications: 27-inch QHD IPS display with 2560 × 1440 resolution 5MP webcam with Windows Hello and built-in microphone USB-C with up to 90W power delivery and data transfer 100Hz refresh rate with 4ms response time Built-in dual 5W speakers, USB hub, and RJ-45 connectivity
OEM-quality trackpad replacement (without flex cable) for MacBook Air 13″ (Model A1932, 2018–2019) in Gold finish—engineered for precise Force Touch response, smooth multi-touch gestures, and perfect color-matched integration with the original chassis. Compatible With: MacBook Air 13-inch (2018 & 2019, Model A1932, Model Identifiers MacBookAir8,1) with Intel Core i5/i7 processors. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Designed for technicians who will reuse the original internal components. Finish: Gold—specifically matched to the Gold variant of the A1932 MacBook Air for seamless aesthetic continuity. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—ensuring full macOS gesture functionality (e.g., Force Click, Look Up, pressure-sensitive navigation). Precision Build: Smooth glass surface with exact curvature, texture, and micro-click mechanism matching Apple’s original design for consistent tracking accuracy and tactile feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural integrity and sensor alignment. Recommended for professional or experienced repair technicians only.
WiWU Linker 721HD Hub – Compact USB-C hub with 7 ports including 100W PD, dual USB-A, USB-C data, HDMI 4K60, and dual SD/TF slots.Aluminum body, plug‑and‑play compatibility with MacBooks and modern USB‑C devices—ideal for laptop expansion. Model: Linker 721HD (WiWU) Material: Aluminum-alloy shell Ports: 2 × USB‑A 3.1 1 × USB‑C 3.1 (data) 1 × USB‑C PD power delivery (up to 100 W) 1 × HDMI (4K @ 60 Hz) SD card slot + micro‑SD (TF) slot (USB 3.0 speed) Ports: 2 × USB‑A 3.1 1 × USB‑C 3.1 (data) 1 × USB‑C PD power delivery (up to 100 W) 1 × HDMI (4K @ 60 Hz) SD card slot + micro‑SD (TF) slot (USB 3.0 speed) Cable: Fixed USB‑C male cable (approx. 15 cm) Compatibility: Plug-and-play with USB-C/Thunderbolt 3/4 devices (MacBook, XPS, Chromebooks, mobile devices with DP-Alt Mode) Design: Compact, space gray finish optimized for travel/work setups Weight: ~150 g
Samsung Odyssey 49″ OLED G9 Curved Gaming Monitor features a wide Dual QHD (5120 × 1440) resolution on a large ultrawide screen. Additionally, the OLED panel delivers vibrant colors with deep contrast and fast pixel response. This makes scenes look sharp and lifelike for games and media. The monitor’s curved design wraps around the view for greater immersion. Moreover, this model supports a high refresh rate and quick response time for fluid motion. Therefore, action and gameplay appear smooth with minimal blur. It also includes adaptive sync support that works with graphics cards to reduce screen tearing. Samsung equips this monitor with multiple connection options for modern devices. Furthermore, the panel offers wide viewing angles to maintain consistent color even at sharp angles. Eye comfort features help reduce eye strain during long sessions. The ergonomic stand lets users adjust the screen for a comfortable setup. As a result, this monitor suits both gaming and everyday tasks. Specifications: 49″ Dual QHD (5120 × 1440) OLED curved display for expansive and detailed visuals High refresh rate and ultra‑fast 0.03 ms pixel response for smooth gameplay Adaptive sync support reduces screen tearing with compatible graphics cards Wide viewing angles with vibrant color and deep contrast Multiple connectivity options for modern gaming and devices
Specifications : Dell Alienware 25 Monitor – AW2521HFL – 63.5cm(25″) Device Type LED edgelight system Panel Type Fast In-Plane Switching Type Native Resolution 1920 x 1080 @ 240 Hz Contrast Ratio 1000 to 1 (typical) Features USB 3.0 Hub Aspect Ratio 16:09 Brightness 400 cd/m² (typical) Response Time 1ms (gray to gray) – Extreme Mode Input Connectors 2 x HDMI (ver 2.0) 1 x DP 1.2 1 x USB 3.0 upstream port (Rear) 2 x USB 3.0 Downstream port (Rear) 2 x USB 3.0 Downstream port [Front Bottom, one with BC1.2 charging capability at 2A(max)] 1 x Headphone-out jack (Front Bottom) 1 x Audio Line-out jack( Rear) manufacturer link
Are you in search of the ultimate gaming monitor for an immersive experience? Look no further than the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor. With its stunning display and advanced features, it’s a game-changer. Firstly, let’s talk about the visual brilliance. This monitor boasts a 4K resolution, delivering crisp and clear images that bring games to life. Whether you’re exploring vast landscapes or engaging in intense firefights, every detail is rendered with precision. The 144Hz refresh rate ensures buttery-smooth gameplay, eliminating motion blur and ghosting for a seamless experience. Say goodbye to lag and hello to responsiveness like never before. Experience true-to-life colors with the monitor’s HDRi technology. It enhances contrast and clarity, making colors pop with vibrancy. Get ready to dive into games with stunning visuals that rival real life. Immerse yourself in the action with the monitor’s integrated speakers. With rich, immersive sound, you’ll feel like you’re right in the middle of the game. Say goodbye to external speakers cluttering your desk. Enhance your gaming experience further with customizable features. From adjustable height and tilt to built-in eye-care technology, this monitor is designed with the gamer in mind. Stay comfortable during extended gaming sessions without sacrificing performance. In conclusion, the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor is a powerhouse that takes your gaming to the next level. With its stunning visuals, smooth gameplay, and ergonomic design, it’s a must-have for any serious gamer. Upgrade your setup today and elevate your gaming experience. Specifications: Display : 27″ IPS Resolution : 4K(3840×2160) Refresh Rate : 144hz Response Rate : 1 ms
Samsung Odyssey G7 G70F 180Hz Monitor delivers sharp visuals and flexible performance for competitive gaming. It features a 27-inch IPS display with 4K resolution. As a result, games look detailed and clear during every session. Moreover, the Dual Mode feature lets players switch between 4K at 180Hz and Full HD at 360Hz. This allows users to choose between high detail or ultra-fast speed. In addition, HDR10 and HDR10+ Gaming improve contrast and brightness for a more immersive view. Furthermore, the 1ms response time ensures fast and smooth motion during gameplay. NVIDIA G-Sync compatibility and AMD FreeSync Premium reduce tearing and stutter. Therefore, gameplay remains stable and responsive even in intense moments. Finally, Samsung Odyssey G7 G70F 180Hz Monitor includes gaming tools like Black Equalizer and Virtual Aim Point. The ergonomic stand supports tilt, swivel, and pivot adjustments. As a result, players can enjoy comfort and control in every setup. Specifications: 27-inch 4K (3840×2160) IPS display with sharp detail and wide viewing angles Dual Mode supports 4K 180Hz or Full HD 360Hz for flexible gaming 1ms response time for fast and smooth gameplay performance HDR10 and HDR10+ Gaming for improved brightness and contrast NVIDIA G-Sync Compatible and AMD FreeSync Premium for tear-free gaming
A dependable pre-owned Lenovo ThinkPad E560 with a spacious 15.6" display, 6th Gen Core i5 processor, 8GB RAM, and a roomy 1TB hard drive—ideal for office work, school, and everyday computing at great value.
Are you looking to elevate your gaming experience? The MSI G27C4 E3 27″ 180Hz Curved Gaming Monitor is the perfect choice. This monitor offers exceptional performance and stunning visuals, making it a top pick for gamers. Firstly, let’s talk about the refresh rate. With an impressive 180Hz refresh rate, this monitor ensures ultra-smooth gameplay. You will notice the difference, especially in fast-paced games where every millisecond counts. The 27-inch curved display provides an immersive viewing experience. The curvature of the screen draws you into the action, enhancing your overall gaming experience. It feels like you’re part of the game, with visuals surrounding you. In addition to its impressive refresh rate and curvature, the MSI G27C4 E3 boasts vibrant colors and sharp details. The Full HD resolution brings your games to life, delivering crisp and clear images. You won’t miss any details, no matter how intense the action gets. Moreover, this gaming monitor features AMD FreeSync technology. This helps eliminate screen tearing and stuttering, providing a seamless gaming experience. Say goodbye to frustrating visual interruptions and enjoy smooth, fluid gameplay. Comfort is also a key feature of the MSI G27C4 E3. The monitor’s adjustable stand allows you to find the perfect viewing angle, reducing strain during long gaming sessions. Plus, the anti-flicker and blue light reduction technologies help protect your eyes. In conclusion, the MSI G27C4 E3 27″ 180Hz Curved Gaming Monitor is a game-changer. It combines high performance, immersive visuals, and comfort to create the ultimate gaming setup. Upgrade your gaming gear today and experience the difference! Specifications: Display : 27″ Rapid VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 180Hz Response Rate : 1ms Curvature : 1500R
In the realm of monitors, the ViewSonic VG2748 stands out as a powerhouse, offering exceptional visual clarity and a range of features to boost productivity for an enhanced viewing journey. Transitioning to its key features, the VG2748 excels in providing crisp and detailed visuals. This monitor is designed to deliver sharp images and vibrant colors, ensuring a visually engaging experience for work, presentations, or creative tasks. Moreover, this display impresses with its sleek and professional design. The ViewSonic VG2748 not only complements your workspace but also ensures a slim profile and ergonomic stand, allowing for customized and comfortable viewing. In addition to its functionality, the VG2748 offers user-friendly controls and versatile connectivity options, ensuring a seamless and adaptable experience. This monitor effortlessly adapts to various settings, providing flexibility for different work environments. Furthermore, ViewSonic’s commitment to user satisfaction is evident in the VG2748’s advanced ergonomic features and eye-care technology. It’s a reliable companion for extended work sessions, offering both visual excellence and comfort. In conclusion, the ViewSonic VG2748 redefines productivity, combining high-quality visuals, professional design, and user-friendly features. Elevate your work experience effortlessly with the VG2748 – your partner in a seamless and efficient viewing journey! Specification vDisplay Manager SuperClear IPS 178˚/ 178˚ Low Energy Consumption Dual Speakers Refresh Rate : 60Hz Flicker-Free Blue Light Filter ViewMode : Game/Movie/Web/Text/Mono/Mac Ports : 4 USB-A |1 VGA | 1 HDMI | 1 Display Port
WiWU Infinite USB‑C to HDMI Adapter (HB004) – Sleek aluminum dongle offering 4K@60Hz output over USB‑C (DP Alt‑Mode), plug-and-play with no drivers needed.Compact, portable, and reliable—a must-have for mobile productivity, gaming, and media streaming. Model: WiWU Infinite USB‑C to HDMI Adapter (HB004) Video Output: HDMI 2.0, supports up to 4K @ 60 Hz resolution Material & Weight: Robust aluminum alloy body, compact, weighs ~69 g Compatibility: Plug-and-play connector works with USB‑C devices supporting DP Alt‑Mode—compatible with laptops, smartphones, tablets, consoles Design & Build: Slim, portable, durable—no driver/software required Use Cases: Ideal for mirroring/extending screens for presentations, streaming, gaming
The 60W 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 60W 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)
Are you seeking a versatile solution for your presentation and collaboration needs? Look no further than the BenQ RE03A 75″ Board Essential. This cutting-edge interactive whiteboard redefines productivity and engagement in meeting rooms and classrooms alike. With its expansive 75-inch display, the BenQ RE03A offers ample space for showcasing your ideas and content. Whether you’re delivering a presentation, brainstorming with colleagues, or teaching a class, this interactive board provides a captivating canvas for your creativity. Transitioning to functionality, the BenQ RE03A boasts intuitive touch controls that make navigation and interaction effortless. Its responsive touch technology ensures smooth and precise input, allowing you to annotate, draw, and manipulate content with ease. Furthermore, the board’s seamless connectivity options enable seamless integration with your existing devices and software. Whether you’re using a laptop, tablet, or smartphone, the BenQ RE03A ensures compatibility and flexibility for all your presentation needs. In addition, collaboration features such as screen sharing and real-time annotation foster teamwork and idea exchange among participants. Break down communication barriers and enhance productivity with the BenQ RE03A’s collaborative tools. Moreover, the board’s durable construction and anti-glare surface ensure reliability and visibility even in brightly lit environments. Say goodbye to distractions and glare, and hello to clear, crisp visuals every time. In conclusion, the BenQ RE03A 75″ Board Essential is a game-changer for presentations and collaboration. With its large display, intuitive controls, and collaborative features, it empowers users to deliver impactful presentations and foster teamwork like never before. Upgrade your meeting room or classroom with the BenQ RE03A and unlock new possibilities for productivity and engagement. Specifications: Screen Size : 75″ Panel Type : IPS Resolution : UHD 3840×2160 Response Time : 8ms
The Meetion Mini 4000 Black is a compact wireless keyboard and mouse combo designed for clean and convenient everyday use. With a mini-space-saving layout and stable wireless connection, it’s perfect for office work, home setups, and laptop users who want a neat, clutter-free desk. The Meetion Mini 4000 is a stylish and practical wireless keyboard and mouse set made for users who prefer a compact and modern workspace. Its mini keyboard design saves desk space while still offering comfortable typing for daily tasks. The wireless mouse provides smooth control and easy navigation, making this combo ideal for offices, students, and home users. With plug-and-play wireless connectivity, setup is simple—just connect the receiver and start using it instantly. Wireless Keyboard & Mouse Combo for a clean and clutter-free setup Compact Mini Keyboard Design saves space and fits small desks easily Stable Wireless Connection for smooth performance Plug & Play Receiver – quick setup without drivers Smooth Wireless Mouse for accurate control Comfortable Typing Layout for everyday productivity Modern Black Finish suitable for any workspace Ideal for Laptops & Desktops Perfect for office workers, students, and home users needing a compact wireless combo for laptops or desktops. Works with most devices that support USB.
Elevate your game with the Logitech G102, featuring a high-precision 8,000 DPI sensor and vibrant Lightsync RGB lighting. Designed with a classic six-button layout and gaming-grade performance, it offers incredible accuracy and responsiveness for both competitive play and daily productivity. The Logitech G102 is engineered for speed, consistency, and comfort. At its core is a gaming-grade sensor that provides adjustable sensitivity, allowing you to tailor your control to your specific playstyle. Whether you are navigating complex spreadsheets or hitting precise headshots, the G102 delivers a seamless experience with a classic design trusted by gamers worldwide. Gaming-Grade 8,000 DPI Sensor: Experience ultra-precise tracking and consistent responsiveness. The sensitivity is fully adjustable from 200 to 8,000 DPI. Lightsync RGB Color Wave: Choose from vibrant animations or customize your own from approximately 16.8 million colors to match your setup’s aesthetic. Mechanical Spring Button Tensioning: The primary left and right buttons feature a metal spring tensioning system, providing crisp, reliable clicks and a premium feel. Classic 6-Button Design: A familiar, comfortable shape that allows you to play or work for hours without fatigue. Each button can be customized via software for specific in-game actions. On-the-Fly DPI Shifting: Cycle through up to five sensitivity settings with the press of a button, allowing you to switch from precision sniping to rapid movement instantly. Resolution: 200 – 8,000 DPI Connection Type: USB 2.0 (Wired) USB Data Format: 16 bits/axis USB Report Rate: 1000Hz (1ms) Microprocessor: 32-bit ARM Cable Length: 2.1 meters Compatibility: Windows 7 or later, macOS 10.13 or later, ChromeOS Logitech G102 Gaming Mouse User Documentation
Premium bilingual keyboard replacement for MacBook Pro 13″ (A1278, 2009–2012) — choose US/Arabic or UK/Arabic layout. Features durable scissor-switch keys, OEM fit, and clear dual-language legends for seamless typing in English and Arabic. Compatible With: MacBook Pro 13-inch (Model A1278) from Late 2009, Mid 2010, Early 2011, and Mid 2012 (Model Identifiers: MacBookPro5,5, 6,2, 8,1) Layout Options (select at purchase): US/Arabic: Primary legends in Arabic, secondary (top-left) in US QWERTY — includes @, #, and standard US symbols. UK/Arabic: Primary legends in Arabic, secondary in UK QWERTY — includes £ symbol, taller Enter key, and UK-specific punctuation. Both versions feature full Arabic character set US/Arabic: Primary legends in Arabic, secondary (top-left) in US QWERTY — includes @, #, and standard US symbols. UK/Arabic: Primary legends in Arabic, secondary in UK QWERTY — includes £ symbol, taller Enter key, and UK-specific punctuation. Both versions feature full Arabic character set Keyboard Type: Traditional scissor-switch mechanism—reliable, tactile, and serviceable (pre-Butterfly design). Backlighting: Included on Early 2011 and Mid 2012 models only. Keycaps are translucent for even lighting. (Note: Late 2009 & Mid 2010 A1278 models did not support backlighting—keyboard will still function, but lighting requires compatible hardware.) Build & Fit: Precision-molded frame with correct screw mounts and alignment pegs—ensures flush, secure installation in the original top case with no rattling. Installation: Keyboard is screw-mounted (no adhesive)—one of the most DIY-friendly MacBook keyboards. Requires top case access and battery disconnect. Suitable for intermediate users or professionals.
Are you ready to take your gaming to the next level? Dive into the realm of ViewSonic VX2718-P-MHD gaming monitors, where affordability meets exceptional performance for an unmatched gaming experience. Firstly, enjoy crystal-clear visuals with ViewSonic’s high-resolution displays. Immerse yourself in the action with vibrant colors and sharp images, providing a gaming experience like never before. Transition smoothly between scenes with ViewSonic’s quick response times. Say goodbye to lag and motion blur, ensuring you stay ahead in the game and never miss a critical moment. Explore a range of sizes to suit your gaming setup. From compact options for cozy spaces to larger displays for a cinematic experience, ViewSonic has a gaming monitor to fit your preferences. Achieve optimal comfort with customizable settings. ViewSonic VX2718-P-MHD gaming monitors offer adjustable brightness, contrast, and color settings, allowing you to tailor the display to your liking and reduce eye strain during extended gaming sessions. In conclusion, elevate your gaming setup without breaking the bank. ViewSonic VX2718-P-MHD gaming monitors provide the perfect blend of affordability and top-notch performance, delivering a visually stunning and responsive gaming journey. Level up your gaming experience with ViewSonic today! Specifications: Resolution : FHD Display : 27″ Refresh Rate : 180Hz Response Time : 1ms 3 years warranty
