MULTI-FUNCTIONAL: Portable retro speaker, support Bluetooth, U disk, Memory Card, AUX (connect to MP3, MP4 player, smartphone, PC) to play music. It is easy to enjoy stereo sound for music lovers. LONG BATTERY LIFE: Bluetooth speaker has a built-in 1800mAh battery, rechargeable and environmentally friendly, providing 8 hours of battery life, ensuring you can enjoy your favorite music and radio stations for a long time. CLEAR SOUND: The radio speaker’s built-in powerful DSP chip and antenna provide excellent reception, allowing you to experience clear sound. Stations can be easily selected, making it convenient to find your favorite FM channels. POWERFUL: This speaker is compact but with high power, the 5W speaker delivers powerful sound quality. Allows you to enjoy rich and immersive sound, transforming your room into a charming listening environment. RETRO DESIGN: The small FM radio speaker with charming and versatile design incorporates classic aesthetics, making it a delightful addition to your sound collection. For living rooms, bedrooms, parties, etc.
BATTERY ACER AC14B8K Battery 4ICP5/57/80 for Acer Aspire R5-571T R5-471T R7-371 R7-371T R3-131T ES1-511 ES1-512 ES1-531 E3-112 Chromebook CB5-571 CB3-531 Swift 3 SF314-51 SF314-52 Nitro 5 AN515-51 Aspire 5 A515-51 About this item Compatible for Acer AC14B8K 4ICP5/57/80 KT0030G.004 KT.0040G.004 3ICP5/57/80 Battery Compatible Models for Acer Chromebook CB5-571 CB5-571-C1DZ CB5-571-C4G4 CB3-531 CB3-531-C4A5, Acer Aspire R3-131T R3-131T- P344 R5-571T R5-571T-59DC R5-571TG R5-431T R5-471T R5-571TG-7229 R5-471T-51UN R5-571T-59DC R7-371T R7-372T, Acer Aspire 5 A515-51 A515-51G, Acer Aspire V3-371 E3-111 E3-112 ES1-111 ES1-131 ES1-511 ES1-731 ES1-711-P1UV E5-771, Acer Nitro 5 AN515-51 AN515-52 AN515-53, Acer Swift 3 SF314-51 SF314-52 SF314-52G, Acer Spin SP111-31 battery AC14B8K Laptop Battery SPECS: Battery Type: Li-polymer, Voltage: 15.2V, Capacity: 3220mAh, Cells: 4 cells, 100% Brand New. Packages include: 1x for Acer Battery AC14B8K with safety box. Safety Control: FLYTEN has its factory so we can control strictly the production. There are professional engineers to ensure batteries’ quality and safety. All our AC14B8K batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which ensure both safety and stability. CE-/FCC-/RoHS-Certified. Warranty: Rest assured with 60 days Refund and 12 months Warranty. Since Amazon return windows will close after one month, don’t worry about it, you can click on Seller Store in the right corner “ask a question” and contact Seller Us directly! We are always here for you to solve your problems!
The Samsung 27″ Smart Monitor M5 M50D (LS27DM501EMXUE) is an all-in-one display designed for work and entertainment. It combines a Full HD monitor with built-in smart TV features. Additionally, it allows direct streaming without a PC using integrated apps. Moreover, it features a 27-inch VA panel with Full HD resolution and a 60Hz refresh rate. It supports HDR10 and delivers wide viewing angles with consistent image quality. Furthermore, the monitor includes built-in speakers, Wi-Fi, and Bluetooth connectivity. It runs on Samsung Tizen OS, enabling access to apps, Samsung TV Plus, and Gaming Hub. It also supports multiple ports, including HDMI and USB-A, for easy device connection. Features like Multi Control and Workspace improve productivity across devices. Overall, the Samsung 27″ Smart Monitor M5 M50D delivers versatile use with streaming, productivity tools, and display performance in one device. Specifications: 27-inch Full HD (1920×1080) VA display 60Hz refresh rate with 4ms response time Built-in smart TV apps with Tizen OS Integrated speakers with HDMI and USB ports Wi-Fi and Bluetooth connectivity support
The AOC 27G40 27″ 180Hz Gaming Monitor is built for serious gamers who want fast and smooth performance. It features a 27-inch Fast IPS screen with Full HD resolution. The colors are bright, and the details are sharp from every angle. With a 180Hz refresh rate, your games will run ultra-smooth and clear. Fast motion feels natural with no lag or delay. The 1ms response time helps reduce motion blur and ghosting during fast-paced scenes. Thanks to Adaptive-Sync, you won’t have screen tearing or stuttering. This makes gameplay seamless and enjoyable, even in intense battles. The monitor also supports HDR10 for improved contrast and color accuracy. It covers 128% of the sRGB color space, giving you bold and rich visuals. The screen reaches 300 nits of brightness, so everything stays clear in bright rooms. The AOC 27G40 27″ 180Hz Gaming Monitor includes HDMI 2.0 and DisplayPort 1.4 connections. You can easily connect your PC, console, or other devices. Its ergonomic stand lets you adjust the height, tilt, swivel, and pivot the screen. This helps you find the most comfortable viewing angle. You can also mount it using a VESA-compatible setup for more flexibility. Whether you’re gaming casually or competitively, this gaming monitor delivers excellent speed, clarity, and color. It’s built to meet the demands of modern gaming with style and comfort. Specifications: Display : 27″ Rapid IPS Resolution : 1920×1080 FHD Refresh Rate : 180Hz Response Rate : 0.5ms Speaker : 2W x2 Adjustable : Fully adjustable
The SHL-R320 is a high-speed, dual-protocol M.2 SSD external enclosure featuring a durable aluminum casing for excellent heat dissipation. Supporting both NVMe and SATA protocols, it provides an easy, pocket-sized solution to convert internal solid-state drives into ultra-fast portable storage. ✅ Full Specifications: Model: M.2 SSD Hard Drive Enclosure Case (SHL-R320) Interface: USB 3.1 Gen 2 Type-C (Backward compatible with USB 3.0 / USB 2.0) Protocol Support: Dual Protocol — Supports both NVMe PCIe (M-Key / B+M Key) and NGFF SATA (B+M Key) Transmission Speed: NVMe: Up to 10Gbps SATA/NGFF: Up to 6Gbps Transmission Speed: NVMe: Up to 10Gbps SATA/NGFF: Up to 6Gbps Drive Size Compatibility: Supports M.2 SSD sizes 2230 / 2242 / 2260 / 2280 Capacity Support: Supports up to 2TB (and higher depending on drive configurations) Material: Premium Aluminum Alloy shell for enhanced durability and thermal cooling Design: Slim, compact, and lightweight pocket-sized form factor Features: Tool-free/screw installation layout (varies by kit variation) and built-in UASP protocol support for accelerated transmission. Compatibility: Windows 11 / 10 / 7, macOS / iOS, Linux, Android (with OTG support), and Smart TVs Dimensions: Approx. 119 x 38 x 13 mm
Barcode Reader Wireless 2D S20W Wireless 2D Barcode Scanner | S20-W Name: Wireless 2D Barcode Scanner Model: S20-W Interface: USB Color: Black
The HUAWEI IdeaHub S2-65 Interactive Display is a 65-inch smart collaboration screen designed for modern meetings and hybrid work. It combines a 4K UHD touchscreen with integrated conferencing tools. Additionally, it supports smooth writing, video meetings, and wireless collaboration in one device. Moreover, it delivers ultra-clear 4K resolution for sharp visuals and accurate detail. Therefore, presentations, documents, and video content appear clear and easy to read. Furthermore, it includes a built-in AI camera and advanced audio system. So, it improves remote meetings with clear voice pickup and intelligent framing of speakers. In addition, it supports wireless projection from laptops and mobile devices. Therefore, users can share content quickly without extra cables. It also includes a digital whiteboard for real-time collaboration. Also, the device runs on Huawei’s smart collaboration platform, which supports cloud meetings and multi-user interaction. Overall, the Huawei IdeaHub S2-65 delivers an all-in-one interactive display solution with strong collaboration tools, clear visuals, and smooth meeting performance for modern workplaces. Specifications: 65-inch 4K UHD interactive touchscreen Built-in AI camera for smart meeting tracking Integrated microphone and speaker system Wireless screen sharing support Digital whiteboard for collaboration
In the realm of monitors, the ViewSonic VA2201-H stands out as a reliable and clear solution, offering a perfect blend of visual excellence and simplicity for an enhanced viewing experience. Transitioning to its key features, the VA2201-H excels in providing crystal-clear visuals. This monitor is designed to deliver sharp and vibrant images, ensuring a visually engaging experience for work or entertainment. Moreover, this display impresses with its sleek and minimalistic design. The ViewSonic VA2201-H not only enhances the aesthetics of your workspace but also ensures straightforward setup, making it an ideal choice for users seeking simplicity. In addition to its functionality, the VA2201-H offers user-friendly controls and connectivity options, ensuring a hassle-free experience. This monitor seamlessly adapts to various settings, providing flexibility for different viewing preferences. Furthermore, ViewSonic’s commitment to user satisfaction is evident in the VA2201-H’s energy-efficient design and eye-care technology. It’s a reliable companion for extended viewing periods without compromising on visual quality. In conclusion, the ViewSonic VA2201-H redefines clarity and simplicity, combining clear visuals, sleek design, and user-friendly features. Elevate your viewing experience effortlessly with the VA2201-H – your clear and straightforward solution for visual excellence! Specifications Full HD 1080p 100Hz Refresh Rate 1ms Response Time Flicker-Free & Blue Light Filter View Mode: Game/Movie/Web/Text/Mono Inputs : HDMI/VGA Check other options here!
The Lenovo Legion R25f-30 is a 24.5-inch FHD gaming monitor designed for competitive gameplay and fast response performance. It uses a VA panel with high refresh rate support and sharp Full HD resolution. Additionally, it targets gamers who need smooth motion clarity and low input delay. This monitor delivers a 1920 × 1080 resolution with a 240Hz refresh rate, which can be overclocked up to 280Hz in supported setups. Moreover, it features a 0.5ms MPRT response time for reduced motion blur during fast-paced gaming. The Lenovo Legion R25f-30 supports AMD FreeSync Premium to reduce screen tearing and stuttering. Additionally, it includes HDMI 2.1 and DisplayPort 1.4 for high refresh rate connectivity across PCs and consoles. It also provides 99% sRGB color coverage and 3000:1 contrast ratio for richer image depth. Therefore, it balances gaming performance with decent color accuracy for everyday use. The Lenovo Legion R25f-30 is built for esports-focused users who prioritize speed, responsiveness, and smooth visuals in competitive games. Specifications: 24.5-inch Full HD (1920 × 1080) VA gaming display 240Hz refresh rate with up to 280Hz overclock support 0.5ms MPRT response time for fast motion clarity AMD FreeSync Premium for tear-free gaming performance HDMI 2.1 and DisplayPort 1.4 connectivity support
A sleek and secure pre-owned Dell Latitude 7490 with 14" display, 8th Gen Core i5, 8GB RAM, and 128GB SSD—designed for business professionals who need portability, durability, and enterprise-grade performance.
Get fully equipped with the Fantech P31 Hero Bundle, featuring a high-performance K515 Shikari RGB Keyboard, a precision VX9 Kanata Gaming Mouse, and a high-traction Vigil MP356 Mousepad. This all-in-one starter kit is designed to deliver a professional gaming experience with stunning RGB aesthetics and reliable durability. The Fantech P31 Hero Bundle is the ultimate “ready-to-play” solution for gamers who want quality peripherals in one cohesive package. Centered around the Shikari K515 membrane keyboard and the lightweight Kanata VX9 mouse, this bundle provides the tactile feedback and tracking precision needed for competitive gaming. Completing the setup is the Vigil MP356 control-type mousepad, ensuring your movements are smooth, stable, and accurate. K515 Shikari RGB Keyboard: A full-sized 104-key membrane keyboard featuring 6-key anti-ghosting and vibrant rainbow RGB illumination. Its floating keycap design is both stylish and easy to clean. Kanata VX9 Gaming Mouse: Lightweight (77g) and ergonomic, the VX9 is equipped with a high-accuracy sensor adjustable from 400 to 3,600 DPI, Huano switches rated for 5 million clicks, and 7 dynamic lighting effects. Vigil MP356 Mousepad: A premium control-surface mousepad (350x300mm) with anti-fray stitched edges and a non-slip rubber base to keep your gear firmly in place during intense matches. Plug & Play Simplicity: No complex drivers needed; simply plug into your USB ports and start gaming immediately across Windows or macOS systems. Integrated Multimedia Controls: Easily manage your volume and media playback directly from the keyboard without tabbing out of your game. Keyboard Model: K515 Shikari (Membrane, 104 Keys, RGB) Mouse Model: Kanata VX9 (Optical, 400–3,600 DPI, 7 Buttons) Mousepad Model: Vigil MP356 (Control Surface, 350 x 300 x 4mm) Interface: USB 2.0 Wired Cable Length: 1.8m (Mouse) / 1.5m (Keyboard) Compatibility: Windows 7/8/10/11, macOS, Linux 1 x K515 Shikari Gaming Keyboard 1 x Kanata VX9 Gaming Mouse 1 x Vigil MP356 Mousepad User Manuals
HP LaserJet M111w Black & White Multifunction Printer, Wireless & Mobile Printing, 600 x 600 dpi Resolution, Print speed up to 20 ppm, 8000-page Monthly Duty Cycle, USB / Wireless Connectivity | 7MD68A White
SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26 SanDisk 2TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-2T00-G26 About this item Solid state performance with up to 800MB/s read speeds in a portable drive. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Back up your content and memories on a storage solution that fits seamlessly into your mobile lifestyle. Take it with you on your adventures—up to two-meter drop protection means this durable drive can take a beating. (Based on internal testing.) Secure it to your belt loop or backpack for extra peace of mind thanks to the tough rubber hook. From SanDisk, a brand professional photographers trust to take on assignments.
The Acer V246HQL 24″ 60Hz Monitor is a perfect choice for work, study, and entertainment. It delivers clear visuals with a full HD resolution. The 24-inch screen provides a comfortable viewing experience for long hours. With a 60Hz refresh rate, this monitor ensures smooth performance for daily tasks. It is great for browsing, office work, and watching videos. The 5ms response time reduces motion blur, making images sharper. The Acer V246HQL features LED-backlit technology, offering bright and vivid colors. It enhances contrast and clarity for a better viewing experience. The anti-glare screen minimizes reflections, making it easy on the eyes. This 24-inch monitor supports Full HD 1920 x 1080 resolution. It delivers sharp images with great detail. Whether for work or entertainment, this resolution ensures high-quality visuals. The Acer V246HQL 24″ 60Hz Monitor includes VGA and HDMI ports for flexible connectivity. You can easily connect it to computers, laptops, and other devices. The tiltable stand allows you to adjust the screen for better comfort. Designed for efficiency, this monitor has low power consumption. It is Energy Star certified, helping to reduce electricity costs. It is an eco-friendly choice for home and office use. The Acer V246HQL 24″ 60Hz Monitor is built with eye-care technology. It includes Flicker-Free and Blue Light Filter features. These help reduce eye strain during long hours of use. Its slim and modern design makes it a great addition to any workspace. It fits easily on desks, saving space while providing a high-quality display. In conclusion, the Acer V246HQL 24″ 60Hz Monitor is a reliable and budget-friendly option. It offers excellent performance for everyday tasks with clear visuals and comfortable viewing. Specifications: Display : 24″ VA Resolution : 1920×1080 Refresh Rate : 60Hz Response Rate : 5ms
lenovo battery L17M3PG1 L17C3PG1 L17M3PG1 Laptop Battery Compatible with Lenovo Legion Y530-15ICH Y7000 2019 1050 Y7000-2019-PG0 Y540-15IRH-PG0 Y540-17IRH-PG0 Y7000P Series Notebook L17M3PG3 11.34V 52.5Wh About this item 【Battery type】Li-ion. Voltage: 11.34V. Capacity: 52.5Wh 4630mAh . 【Replacement For Laptop】Lenovo Legion Y545-PG0 Legion Y530-15ICH Y7000 2019 1050 Y7000-2019-PG0 Y540-15IRH-PG0 Y540-17IRH-PG0 Y7000P Series. 【Compatible Part Number】L17L3PG1 5B10Q82428 L17C3PG1 5B10Q88561 L17M3PG3 5B10Q93417 L17M3PG1 L17M3PG2 5B10W67238 5B10Q80766 【Connector】Before placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences in size, cable length, interface, etc.
OEM-quality left and right loudspeaker replacement pair for MacBook Pro 15″ (Models A1707 – 2016/2017 and A1990 – 2018/2019)—restores rich, balanced stereo sound with precision acoustic tuning and seamless fit. Compatible With: MacBook Pro 15″ (2016) – Model A1707 (MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (MacBookPro14,2) MacBook Pro 15″ (2018) – Model A1990 (MacBookPro15,2) MacBook Pro 15″ (2019) – Model A1990 (MacBookPro15,2) (Note: Apple used the same speaker assembly across all four years of the 15″ Touch Bar MacBook Pro.) MacBook Pro 15″ (2016) – Model A1707 (MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (MacBookPro14,2) MacBook Pro 15″ (2018) – Model A1990 (MacBookPro15,2) MacBook Pro 15″ (2019) – Model A1990 (MacBookPro15,2) (Note: Apple used the same speaker assembly across all four years of the 15″ Touch Bar MacBook Pro.) Includes: Complete left and right speaker units with pre-attached flex cables and mounting brackets—ready for direct installation. Audio Performance: Engineered to match Apple’s original high-fidelity stereo system—delivers deep bass, clear mids, and crisp highs with wide soundstage and distortion-free playback. OEM Build Quality: Precision-molded housings, correct grille patterns, and exact cable routing ensure secure fit, no rattling, and full compatibility with macOS audio calibration. Common Use Cases: Replaces speakers damaged by liquid spills, physical impact, or wear (e.g., muffled sound, no audio from one side, crackling, or complete failure). Installation Note: Requires full display and logic board access. Speakers are secured with adhesive and screws in tight compartments. Recommended for certified or experienced technicians only. Important: This speaker pair is exclusive to 15″ Touch Bar MacBook Pro models (A1707/A1990). Not compatible with 13″ models (A1708/A1989), 16″ MacBook Pro (A2141), or non-Touch Bar MacBooks. This speaker pair is exclusive to 15″ Touch Bar MacBook Pro models (A1707/A1990). Not compatible with 13″ models (A1708/A1989), 16″ MacBook Pro (A2141), or non-Touch Bar MacBooks. Model Verification: Confirm your device via > About This Mac > Model Identifier (e.g., MacBookPro13,2 or MacBookPro15,2).
The BenQ 32″ 4K UHD HDR Monitor delivers breathtaking clarity for all your computing needs. Whether you’re gaming, working, or streaming, this monitor provides stunning visuals. With its 4K UHD resolution, the BenQ 32″ Monitor offers four times the detail of Full HD. Enjoy crystal-clear images and sharp text for an immersive viewing experience. Featuring HDR technology, the BenQ 32″ 4K UHD Monitor enhances colors and contrast. This results in brighter whites, deeper blacks, and more vibrant colors for a realistic display. Designed for comfort, the BenQ 32″ Monitor includes a height-adjustable stand. Adjust the monitor to your preferred viewing angle and reduce strain during long hours of use. The BenQ 32″ 4K Monitor is perfect for multitasking. With ample screen space, you can easily view multiple windows and applications side by side without any clutter. Gamers will appreciate the BenQ 32″ Monitor’s fast response time and low input lag. Enjoy smooth gameplay and quick reactions, ensuring you stay ahead of the competition. Connectivity is a breeze with multiple ports, including HDMI, DisplayPort, and USB-C. Easily connect your devices and peripherals for a versatile and efficient setup. Eye-care technology is built into the BenQ 32″ 4K Monitor to reduce eye strain. Features like low blue light and flicker-free technology make long viewing sessions more comfortable. In conclusion, the BenQ 32″ 4K UHD HDR Monitor combines stunning visuals, ergonomic design, and advanced features. Upgrade your monitor today and enjoy an unparalleled viewing experience. Specifications: Display : 31.5″ VA Resolution : 4K UHD Refresh Rate : 60Hz Response Rate : 4ms GtG Built-in Speaker : 2W x2
Acer Nitro VG252QXbmiipx Gaming G-SYNC Screen size 31.5 Inches Display resolution maximum 1920 x 1080 Connectivity technology HDMI Aspect ratio 16:9 Specific uses for product Gaming Response time 4 Milliseconds Resolution FHD 1080p Number of HDMI Ports 2 Image brightness 400 cd/m² Voltage 240 Volts
ViewSonic 27″ 2K QHD The ViewSonic 27″ 2K QHD Designed with creative professionals in mind. the ViewSonic VP2756-2k delivers colors on screen. Pantone validated 100% sRGB coverage provides precise color your work looks how it should. every time. A USB-C port that easily connects with your devices for easy charging and data transfer. Ergonomic engineering gives you the flexibility to do more without injury, while Auto Pivot lets shift between horizontal. and Introducing VP56 Series Inspiration starts within, then appears to the world on the ViewSonic VP2756-2k, delivered with stunning true-to-life, high precision colors on an QHD frameless screen, with an ergonomic stand and USB-C support. Bring Your Colors to Life 100% sRGB color gamut that meets industry standards and can produce color precisely. Pantone® Validated ensures high levels of fidelity in simulating the full range of real-world colors. These two features combine to give ColorPro® VP2756-2K high every creative to get their colors right, every time. Precise Color With Delta E < 2 color accuracy, the ColorPro® VP2756-2K delivers stunning color reproduction that ensures. the colors in your videos and photos are true-to-life and nearly indistinguishable from the color seen by the naked eye. Exquisite Quality out of the Box Every unit is pre-calibrated at the factory and comes with its own color calibration report. Giving you the highest quality color calibration possible, right out of the box. Time spent fine-tuning ColorPro® monitors bring you the highest quality color calibration possible. Big Picture, Small Details Image quality is paramount for creative professionals, and with a 2K QHD (2560 x 1440) . resolution panel, images on the ColorPro® VP2756-2K series ensure incredible detail. Find Your Perfect Angle With a full range of swivel, pivot, tilt, and height adjustments, The ColorPro® VP2756-2K allows you to find the most comfortable. monitor positioning for your .Auto Pivot can even let photos to be automatically adjusted to the screen’s orientation when pivoted. Specifications: Specifications QHD Pantone| sRGB| USB-C 60W|CAM/CAD| Portrait mode for photography certified for blue light filter Auto Pivot, Swivel, Tilt, and Height adjust Split Screen 27 Inch 60 Hz QHD 2 USB-A 1 USB-C 1 HDMI 1 Display Port 1 year warranty Manufacturer Link
The MSI MAG 275F 27″ 180Hz Gaming Monitor delivers an immersive gaming experience. With a fast 180Hz refresh rate, it ensures ultra-smooth gameplay. This makes it perfect for competitive gaming and fast-paced action. The 27-inch IPS display offers stunning visuals with vibrant colors and sharp details. It provides a Full HD resolution, making games look crisp and realistic. Wide viewing angles ensure consistent colors from any position. With a 1ms response time, this monitor reduces motion blur and ghosting. Every movement appears clear and precise. This gives you a competitive edge in fast-action games like shooters and racing games. The MSI MAG 275F supports Adaptive Sync technology, eliminating screen tearing and stuttering. This ensures a fluid gaming experience, even in the most intense moments. You’ll enjoy smooth visuals without lag or interruptions. Designed for long gaming sessions, this monitor features anti-flicker and blue light reduction technology. It helps reduce eye strain, allowing you to play comfortably for hours. The adjustable stand lets you set the perfect viewing angle. Connectivity is simple with multiple ports, including HDMI and DisplayPort. You can easily connect your PC, console, or other gaming devices. This makes the MSI MAG 275F a versatile choice for all gamers. With a sleek, modern design, this monitor enhances any gaming setup. It combines performance with style, making it a must-have for serious gamers. Upgrade your gaming experience with the MSI MAG 275F 27″ 180Hz Gaming Monitor today! Specifications: Display : 27″ Rapid IPS Resolution : 1920 x 1080 (FHD) Refresh Rate : 180Hz Response Rate : 0.5ms
