Boost your daily productivity with the Lenovo ThinkPad E14 Gen 2, featuring a powerful 11th Gen Intel Core i5 processor. With flexible configurations of up to 16GB RAM and a fast 512GB NVMe SSD, this 14-inch business laptop offers the perfect blend of performance, security, and legendary ThinkPad durability
The Samsung 77 OLED S85F 4K Vision AI Smart TV QA77S85FAEXTW delivers a premium home cinema experience built on advanced OLED technology. It produces deep blacks, rich colors, and strong contrast, so movies, sports, and games look more realistic on the large 77-inch screen. OLED technology controls each pixel individually, so every detail appears with high precision. This improves dark scenes by keeping blacks deep and detailed, while bright areas stay clean and accurate. As a result, the picture stays balanced in both bright and dark environments. Samsung Vision AI improves picture and sound in real time. It analyzes each scene and adjusts brightness, color, and sharpness automatically. Therefore, the Samsung 77 OLED S85F 4K Vision AI Smart TV QA77S85FAEXTW always delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality. HDR expands contrast and color depth, making visuals more lifelike. Fast motion also appears smoother and clearer, which improves sports and action viewing. The Smart TV system gives access to streaming apps, games, and smart home features. It runs smoothly and is easy to navigate. In addition, the slim design with thin bezels gives the Samsung 77 OLED S85F 4K Vision AI Smart TV QA77S85FAEXTW a modern, premium look. Overall, this Samsung OLED TV combines strong picture quality, AI optimization, and smart connectivity for a high-end viewing experience. Specifications: OLED technology delivers deep blacks and rich color accuracy 77-inch 4K display provides immersive large-screen viewing Vision AI optimizes picture and sound automatically in real time HDR enhances contrast, brightness, and color depth Smart TV platform supports streaming apps and smart features
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).
A lightweight and efficient pre-owned Lenovo ThinkPad T14s Gen 2 with 14" display, AMD Ryzen 5 5650U, 16GB RAM, and 512GB SSD—featuring integrated AMD Radeon graphics for smooth productivity and all-day battery life in a premium ultraportable.
7CJRC Laptop Battery for Dell Latitude 7470 7270 E7270 E7470 Series 21X15 021X15 KNM09 0KNM09 TX283 0TX283 451-BBSW 451-BBWR 11.4V 42Wh 3-Cell About this item Battery type: Li-ion; Voltage: 11.4V; Capacity: 42Wh; Cells: 3-cell Compatible Models: Fit for Dell Latitude 7470 7270 E7470 E7270 Series Replace Part Numbers: 7CJRC KNM09 0KNM09 21X15 021X15 TX283 0TX283 451-BBSW 451-BBWR V6VMN 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
The Samsung 83-Inch OLED S85F 4K Vision AI Smart TV | QA83S85FAEXTW delivers a premium home cinema experience with a massive OLED display. It uses OLED technology that produces deep blacks, strong contrast, and rich colors. As a result, movies, sports, and games look more realistic and immersive on the large 83-inch screen. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, color, and sharpness. Therefore, the viewing experience stays balanced and clear without manual tuning. In addition, AI upscaling improves lower-resolution content and upgrades it closer to 4K quality for better detail and clarity. The OLED panel uses self-lit pixels, so every part of the image is controlled individually. This improves detail in dark scenes while keeping bright areas accurate and vivid. HDR further expands contrast and color range, making visuals more lifelike. Fast motion also appears smoother, which improves sports and action viewing. Samsung’s Smart TV system provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly when switching between apps. In addition, the ultra-slim design with thin bezels gives the TV a modern and premium appearance that fits large living rooms and entertainment spaces. Overall, this Samsung OLED TV combines large-screen immersion, AI-powered optimization, and smart connectivity. It is designed for users who want a high-end cinematic viewing experience at home. Specifications: OLED technology delivers deep blacks and rich color accuracy 83-inch 4K display provides immersive large-screen viewing Vision AI optimizes picture and sound automatically in real time HDR enhances contrast, brightness, and color depth Smart TV platform supports streaming apps and smart features
Remax F41 6″ Wireless Clamp Fan – USB‑C rechargeable (4,000 mAh), 4 speeds, 720° rotation, up to 3 hrs runtime.Modular 3‑in‑1 design with detachable grille, washable parts, and night‑light feature. Model: Remax F41 6-inch Wireless Air Circulating Clamp Fan Power & Battery: Rechargeable 4,000 mAh battery; USB-C charging (~3 hours to full charge), offers ~3 hours continuous use at high speeds Operation Modes: 4 fan speeds, 3‑in‑1 usage (desktop, clamp, or hanging), 720° wide-angle rotation Design Features: Detachable, washable grille plus built-in warm night light Care Tips: Recharge every two months if unused; avoid inserting objects into blades
Looking to enhance your viewing setup? Look no further than the ViewSonic 24″ 75Hz Monitor VA2430-H-9. This monitor offers a perfect blend of performance and affordability. To begin with, enjoy crisp and clear visuals on the 24-inch screen. Whether you’re working on spreadsheets or watching movies, every detail comes to life with vibrant colors and sharp imagery. Transitioning to performance, the VA2430-H-9 boasts a smooth 75Hz refresh rate, ensuring fluid motion and reduced motion blur. Say goodbye to choppy visuals and hello to smooth scrolling and seamless gaming. Furthermore, the monitor’s slim and sleek design adds a touch of elegance to any workspace or gaming setup. Its narrow bezels maximize screen real estate, providing an immersive viewing experience without distractions. Moreover, with multiple connectivity options including HDMI and VGA ports, connecting to your favorite devices is a breeze. Switch between your PC, gaming console, and streaming devices effortlessly. In addition, the VA2430-H-9 features flicker-free technology and a blue light filter, reducing eye strain during extended viewing sessions. Stay comfortable and focused for longer periods without experiencing discomfort. In conclusion, the ViewSonic 24″ 75Hz Monitor VA2430-H-9 is a versatile and reliable choice for both work and entertainment. With its impressive performance, sleek design, and eye-care features, it’s a monitor that truly enhances your viewing experience. Upgrade your setup today and see the difference for yourself. Specifications: Display : 24″ VA Resolution : FHD (1920 x 1080) Refresh Rate : 75Hz Response Rate : 4ms GTG
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
New BT04XL 14.8V 52WH Notebook Battery for HP EliteBook Folio 9470 9470M 9480m Ultrabook BT04 BA06 HSTNN-IB3Z HSTNN-I10C 687945-001 H4Q47AA 687517-241 HSTNN-DB3Z 687517-171 BA06XL H4Q48AA About this item Battery type: Li-ion; Capacity: 52WH; Voltage: 14.8V; Cells: 6-cell. The battery compatible with P/N.: Spare 687517-171 687517-241 687945-001 696621-001; EliteBook Folio 9470 9470M 9480 9480M Series; fits HSTNN-DB3Z HSTNN-IB3Z HSTNN-I10C 687517-1C1 BT04 BT04XL BA06 BA06XL H4Q47AA H4Q48AA 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Brand new from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries: Around1.5~3.5 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.
Genuine-spec US layout keyboard replacement for MacBook Pro 15″ (2018–2019, Models A1989/A1990)—designed for reliable typing, full compatibility, and seamless integration with original top case assemblies. Compatible With: MacBook Pro 15-inch (2018 A1989 and 2019 A1990 models) with Touch Bar. Layout: Standard US English (QWERTY) with full-size keys, including inverted-T arrow keys and dedicated function row. Integrated Features: Includes built-in backlighting, scissor-switch mechanism (3rd-gen Butterfly or revised Butterfly mechanism, depending on original model year), and ribbon cable connector matching Apple’s OEM design. Functionality: Supports all native keyboard features, including brightness, volume, media controls, and Touch ID power button (note: Touch ID sensor is not included—this is the keyboard only). Build Quality: Precision-engineered to match Apple’s original fit, feel, and durability—ideal for professional repairs or top case refurbishment. Installation Note: Requires full top case disassembly. Keyboard is adhered to the top case and must be carefully removed and replaced using proper tools and techniques. Recommended for experienced technicians. Model Verification: Ensure your MacBook is A1989 (2018) or A1990 (2019) before purchase—keycaps and connectors differ from other MacBook generations.
Genuine-spec keyboard replacement for MacBook Air 13″ (Model A2179, 2020, Intel) — choose US QWERTY or UK QWERTY (with £ symbol). Features Apple’s reliable scissor-switch mechanism, backlighting, and OEM-fit design for seamless performance and aesthetics. Compatible With: MacBook Air 13-inch (2020, Model A2179, EMC 3597) with Intel Core i3/i5/i7 processors (non-M1). Layout Options (select at purchase): US Layout: Standard QWERTY with wide Enter key, @ above 2, # above 3, and full inverted-T arrow keys. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ accessed via right Alt, and UK-specific punctuation—matches Apple’s official UK regional configuration. US Layout: Standard QWERTY with wide Enter key, @ above 2, # above 3, and full inverted-T arrow keys. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ accessed via right Alt, and UK-specific punctuation—matches Apple’s official UK regional configuration. Keyboard Type: Traditional scissor-switch mechanism (not Butterfly, not Magic Keyboard)—robust, tactile, and serviceable, with good key travel and proven durability. Integrated Features: Full backlit keys for low-light use Ambient light sensor compatibility OEM-style ribbon cable pre-attached for direct logic board connection Full backlit keys for low-light use Ambient light sensor compatibility OEM-style ribbon cable pre-attached for direct logic board connection Precision Build: Molded to exact Apple specifications—ensures flush mounting, consistent key alignment, and seamless integration into the original top case. Installation Note: Keyboard is screw-mounted with light adhesive—more accessible than glued Butterfly/Magic keyboards. Requires top case access and battery disconnect. Suitable for intermediate DIYers or professional technicians. Important: This is keyboard only—does not include the top case, battery, trackpad, or logic board. Not compatible with M1 MacBook Air (A2337/A2338) or M2 models (A2681/A2941). This is keyboard only—does not include the top case, battery, trackpad, or logic board. Not compatible with M1 MacBook Air (A2337/A2338) or M2 models (A2681/A2941). Model Verification: Confirm your device is MacBook Air A2179 (13″, Intel, 2020) via > About This Mac > Model Identifier (e.g., MacBookAir9,1).
The LG 34″ 160Hz 5ms Curved UltraGear Monitor takes your gaming to the next level. With its expansive 34-inch curved display, you’ll be immersed in your games like never before. The curve wraps around your field of vision, creating a more engaging and realistic experience. So enjoy ultra-smooth gameplay with the 160Hz refresh rate of the LG UltraGear Monitor. It reduces motion blur and delivers crisp visuals, ensuring you never miss a detail. Coupled with a 5ms response time, this monitor provides fast and accurate performance, making it perfect for fast-paced games. The LG 34″ UltraGear Monitor also boasts a high resolution, bringing your games to life with stunning clarity and detail. Every frame is rendered with precision, enhancing your overall gaming experience. Also connectivity is seamless with multiple input options, including HDMI and DisplayPort. Easily connect your gaming console, PC, or other devices for a versatile gaming setup. Plus, the monitor’s sleek and modern design adds a touch of elegance to your gaming station. Moreover comfort is key during long gaming sessions. The LG UltraGear Monitor features an adjustable stand, allowing you to find the perfect viewing angle. Reduce eye strain with the flicker-free and blue light reduction features, ensuring you can game comfortably for hours. In conclusion, the LG 34″ 160Hz 5ms Curved UltraGear Monitor is designed to deliver an immersive and smooth gaming experience. Upgrade your setup with this powerful and stylish monitor, and enjoy a new level of gaming excellence. Specifications: Display : 34″ Curved QHD Resolution : 3440×1440 Refresh Rate : 160Hz Response Rate : 5ms Built-in Speaker : 2x 7W Adjustable Tilt, Height
The MSI PRO MP251 Series monitor is designed for professional work and everyday productivity. It features a 24.5-inch display that balances screen size and desk space efficiently. Therefore, it helps users stay focused while maintaining a clean and organized workspace. Moreover, the IPS panel delivers consistent colors and wide viewing angles for collaborative work. The Full HD resolution ensures clear visuals for documents, browsing, and media tasks. In addition, the 100Hz refresh rate provides smoother performance compared to standard office monitors. The built-in EyesErgo technology helps reduce eye strain during long working hours. As a result, users experience better comfort and improved productivity. Furthermore, TÜV-certified anti-flicker and low blue light features support healthier screen usage. In addition, the monitor includes practical features such as built-in speakers, VESA mount compatibility, and multiple connectivity options. This makes it suitable for both home and office setups. MSI PRO MP251 Series offers a reliable and ergonomic solution for daily computing needs. Specifications: 24.5-inch Full HD (1920 × 1080) IPS display 100Hz refresh rate for smoother workflow MSI EyesErgo with anti-flicker and low blue light Wide 178° viewing angles for consistent colors HDMI and VGA connectivity with VESA mount support
Are you in search of a reliable and efficient monitor for work or play? Look no further than the MSI Pro MP245V. This monitor is crafted to elevate your productivity and enhance your overall computing experience. To begin with, the MSI Pro MP245V boasts a sleek and modern design, adding a touch of sophistication to your workspace. Its slim bezels and adjustable stand ensure a comfortable and ergonomic viewing experience. Transitioning seamlessly between work tasks and entertainment, this monitor features a vibrant Full HD display. Enjoy crisp and clear visuals, making it perfect for both professional presentations and immersive gaming sessions. One standout feature is the eye-care technology, reducing eye strain during extended screen time. Say goodbye to discomfort and hello to a more comfortable and enjoyable viewing experience. Connectivity is a breeze with multiple ports, including HDMI and VGA, ensuring compatibility with a variety of devices. Switch effortlessly between your computer, gaming console, and other peripherals. The MSI Pro MP245V’s energy-efficient design is not only good for the environment but also easy on your wallet. Experience high performance without compromising on power consumption. In summary, the MSI Pro MP245V monitor is a versatile and cost-effective solution for anyone seeking a reliable display for work and play. Elevate your productivity and immerse yourself in superior visuals with this exceptional monitor. Upgrade your computing experience with the MSI Pro today! Specifications: Display : 23.8″ Resolution : 1920×1080 FHD Response Rate : 1ms Refresh Rate : 100Hz
OEM-spec trackpad replacement (without flex cable) for MacBook Air 15.3″ M2 (Model A2941, EMC 8301) in Silver finish—engineered for precise Force Touch response, smooth multi-touch gestures, and seamless integration with the original chassis. Compatible With: MacBook Air 15.3-inch (2023, Model A2941, EMC 8301) with Apple M2 chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting brackets. Designed for technicians who will reuse or transfer the original internal components. Finish: Silver—matches the original Silver and Starlight lower case for perfect visual continuity. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when used with the original Taptic Engine and logic board—no loss of functionality. Precision Build: Mirror-smooth glass surface with exact curvature, texture, and micro-click mechanism matching Apple’s OEM standards for consistent tracking and tactile feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Proper adhesive application is essential to maintain structural rigidity and sensor alignment. Recommended for professional or certified repair technicians only.
The Samsung 55″ OLED 4K S90F Vision AI Smart TV | QA55S90FAUXTW delivers strong picture quality with OLED technology. It produces deep blacks, bright colors, and high contrast. As a result, movies, sports, and games look more realistic and detailed. The 55-inch size also works well in most rooms while still giving an immersive view. Samsung Vision AI improves both picture and sound in real time. It analyzes what you are watching and adjusts settings automatically. Therefore, brightness, color, and sharpness stay balanced in every scene. In addition, AI upscaling improves lower-resolution content and brings it closer to 4K quality. The OLED panel uses self-lit pixels, so each part of the screen is controlled precisely. This improves dark scenes and keeps bright areas clear. HDR also increases contrast and color depth. As a result, images look more natural and dynamic. Fast motion in sports and action scenes also appears smoother and clearer. The TV runs on Samsung’s Smart TV system, which gives access to streaming apps, games, and smart home control. It is simple to use and responds quickly. In addition, the slim design and thin borders make the screen look modern and clean in any space. Overall, this Samsung OLED TV combines strong picture quality, smart AI features, and easy connectivity. It is designed for users who want a high-quality and smooth entertainment experience at home. Specifications: OLED technology delivers deep blacks, vivid colors, and exceptional contrast Vision AI optimizes picture and sound quality in real time 4K UHD resolution provides sharp and highly detailed visuals HDR support enhances brightness, contrast, and color performance Smart TV platform offers streaming apps and smart home connectivity
Ready to elevate your digital workspace to new heights? Meet the ViewSonic 27″ 60Hz Touch Monitor TD2760, designed to revolutionize your computing experience. With its intuitive touch functionality, this monitor offers unparalleled convenience and versatility. Transitioning smoothly between tasks is effortless with the TD2760’s responsive touch screen. Whether you’re browsing the web, editing documents, or creating digital art, interaction feels natural and intuitive. Furthermore, its expansive 27-inch display provides ample screen real estate for multitasking and immersive viewing experiences. Dive into your work or entertainment content with crisp, clear visuals and vibrant colors. Moreover, the TD2760’s ergonomic design ensures comfortable viewing for extended periods. Easily adjust the monitor’s tilt angle to suit your preferred working position, reducing strain on your neck and eyes. In addition, connectivity options such as HDMI and USB-C offer seamless compatibility with a variety of devices, including laptops, desktops, and smartphones. Effortlessly mirror or extend your screen to enhance productivity or share content with ease. Transitioning to the touch aspect, the TD2760’s precise touch response allows for accurate input, whether you’re tapping, swiping, or drawing. Navigate menus, annotate documents, or play touchscreen-enabled games with unparalleled precision and responsiveness. In conclusion, the ViewSonic 27″ 60Hz Touch Monitor TD2760 is a game-changer for digital professionals and enthusiasts alike. With its seamless touch functionality, expansive display, and ergonomic design, it redefines the way you interact with your digital world. Upgrade your workspace today and experience the difference firsthand. Specifications: Display : 27″ VA Resolution : FHD(1920×1080) Refresh Rate : 60Hz Response Rate : 6ms
MacBook Pro A1706 / A1708 Display Assembly (Space Gray) Compatibility : MacBook Pro 2017 13″ A1708 (EMC 3164 MacBookPro14,1) 2.3 GHz A1708 (EMC 3164 MacBookPro14,1) 2.5 GHz A1706 (EMC 3163 MacBookPro14,2) 3.1 GHz A1706 (EMC 3163 MacBookPro14,2) 3.3 GHz A1706 (EMC 3163 MacBookPro14,2) 3.5 GHz MacBook Pro 2016 13″ A1706 (EMC 3071 MacBookPro13,2) 2.9 GHz A1706 (EMC 3071 MacBookPro13,2) 3.1 GHz A1706 (EMC 3071 MacBookPro13,2) 3.3 GHz A1708 (EMC 2978 MacBookPro13,1) 2.0 GHz A1708 (EMC 2978 MacBookPro13,1) 2.4 GHz
The MSI Pro MP242 24″ 75Hz Business Monitor is designed to boost productivity while offering a comfortable viewing experience. Its 24-inch screen delivers crisp visuals with Full HD resolution, making it ideal for work, study, and entertainment. With a 75Hz refresh rate, the MSI Pro MP242 ensures smooth visuals whether you’re editing documents, browsing the web, or watching videos. The anti-glare screen minimizes reflections, allowing you to work comfortably in various lighting conditions. Designed with your health in mind, the MSI Pro MP242 Business Monitor features eye-care technology. The monitor reduces blue light and flicker, helping to minimize eye strain during extended screen use. This makes it perfect for long work hours or study sessions. The MSI Pro MP242 offers versatile connectivity options with HDMI and VGA ports, allowing easy connection to multiple devices. Whether you’re connecting a laptop, desktop, or other peripherals, this monitor makes it hassle-free. With its slim and modern design, the MSI Pro MP242 24″ Monitor fits seamlessly into any professional or home office environment. Its adjustable stand allows you to tilt the screen for optimal viewing angles, providing additional comfort during use. In conclusion, the MSI Pro MP242 24″ 75Hz Business Monitor offers the perfect combination of performance, comfort, and design. Upgrade your workspace today and enjoy improved productivity with clear visuals and eye-care features. Specifications: Display : 23.8″ IPS Resolution : FHD (1920 x 1080) Refresh Rate : 75Hz Response Rate : 5ms
