A4tech KR-85 Natural A Rounded Edge Ergonomical Keyboard
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
The Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor delivers smooth, fast visuals for games and everyday use. Its Full HD (1920×1080) resolution shows clear detail in games, videos, and work. The 27-inch screen gives you a large viewing area for wide action and immersive gameplay. This helps you see more and stay focused. Moreover, the Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor features a high 180 Hz refresh rate. This high refresh rate makes motion fluid and clean on screen. Fast games and action scenes appear more detailed and responsive. In addition, the monitor offers a rapid 1 ms (MPRT) response time. This helps reduce ghosting and keeps fast visual shifts clear. Controls and movement feel precise and snappy. This enhances gameplay performance in fast shooters or racing games. Furthermore, the Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor uses a VA panel with strong contrast (3000:1) and decent brightness (250 cd/m²). This delivers deeper blacks and vivid colors, improving visual quality for games and movies. It also covers around 95% sRGB for solid color representation. Also, the monitor supports adaptive sync with AMD FreeSync to reduce screen tearing and stutter when paired with compatible graphics cards. A slim 3-sided borderless design gives a clean modern look, and the ergonomic stand allows height, tilt, and swivel adjustments for comfortable use. Overall, the Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor offers strong value by combining speed, clarity, and comfort. It suits gamers and everyday users who want smooth gameplay, responsive controls, and a clear large display. It is a solid choice for fast-paced games, casual gaming, and general computer use. Specifications: Display : 27″ VA Resolution : FHD (1920 x 1080) Refresh Rate : 180Hz Response Time : 1ms
Authentic UK layout keyboard replacement for MacBook Air 13″ (Model A2338, 2020)—featuring Apple’s Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit for reliable performance and typing comfort. Compatible With: MacBook Air 13-inch (2020, Model A2338) – includes both Intel (Core i3/i5/i7) and Apple M1 chip variants. Layout: UK English (QWERTY) with £ symbol, tall vertical Enter key, and standard UK key labeling—exactly matches Apple’s original UK regional keyboard. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—delivering quiet, responsive keystrokes, 1mm key travel, and greater long-term reliability than Butterfly keyboards. Integrated Features: Backlit keys for dim environments, ambient light sensor compatibility, and factory-matched ribbon cable for seamless connection to the logic board. Precision Build: Engineered to OEM specifications for exact alignment, key spacing, and tactile feedback—ensures a flush, secure fit within the original top case. Installation Note: The keyboard is glued into the top case and requires complete disassembly for replacement. Professional tools and adhesive are needed for proper reinstallation. Recommended for skilled technicians only.
lenovo battery 00NY486 48Wh 4.4Ah Battery Replacement for Lenovo ThinkPad L560 20F1 20F2 L570 20J8 20J9 20JQ 20JR Series Laptop SB10H45071 00NY487 SB10H45072 00NY488 SB10H45073 00NY489 SB10H45074 71+ 10.8V About this item 【Battery Model】00NY486; Voltage:10.8V; Capatity:48Wh 4.4Ah 6-Cells; Color:Black; Condition:Brand New. 【Replacement Part Number】00NY486 SB10H45071 00NY487 SB10H45072 00NY488 SB10H45073 00NY489 SB10H45074 71+ 【Compatible Machine Models】 for Lenovo ThinkPad L560 (Type 20F1 20F2) Series; for Lenovo ThinkPad L570 (type 20J8 20J9 20JQ 20JR) Series 【Security Certified】 Certified by CE, UL, FCC, and RoHS for safety. Every battery has passed factory testing, built-in circuit protection ensures safety and stability. More than 500 recharge cycles over the life of the battery.
The ViewSonic VA240‑H 24″ 100Hz monitor delivers clear visuals for everyday use. Its Full HD panel shows sharp text and crisp images, making work, media, and web browsing easier to see. In addition, the IPS panel provides wide viewing angles so colors stay consistent from different positions. The 100 Hz refresh rate and 1 ms response time reduce motion blur and provide smoother video playback and casual gaming. Furthermore, built-in eye-care features like a blue light filter and flicker-free technology help reduce strain during long sessions. This monitor includes HDMI and VGA inputs for easy connection to laptops and desktops without extra adapters. Therefore, it suits home and office setups needing reliable display performance. Overall, the VA240‑H balances sharp visuals, smooth motion, and essential connectivity in a practical 24‑inch design. Specifications: 24″ Full HD (1920×1080) SuperClear IPS display 100 Hz refresh rate and 1 ms response time Wide viewing angles with consistent color Eye care features with blue light filter and flicker‑free HDMI and VGA connectivity, practical everyday performance
Samsung Odyssey G5 G50F 32″ QHD Monitor delivers sharp visuals and smooth gameplay for serious gamers. It features a 32-inch 2K flat display with high resolution. As a result, games look more detailed and immersive. Moreover, the VA panel ensures consistent colors and wide viewing angles. It maintains clear visuals from different positions. HDR10 support enhances brightness and contrast for deeper blacks and brighter highlights. Furthermore, the 165Hz refresh rate and 1ms response time reduce motion blur and lag. NVIDIA G-Sync compatibility and AMD FreeSync Premium help deliver smooth and stable frames. Finally, Samsung Odyssey G5 G50F 32″ Monitor includes gaming features like Black Equalizer and Virtual Aim Point. These improve visibility and accuracy. Players gain better control and performance in every match. Specifications: 32-inch QHD (2560×1440) display with sharp visuals and wide viewing angles VA panel ensures consistent colors and clear images from multiple angles 165Hz refresh rate and 1ms response time for smooth, responsive gaming HDR10 support for enhanced brightness, contrast, and realistic visuals Gaming tools like Black Equalizer and Virtual Aim Point for better accuracy
The Alienware AW3225QF 32″ 240Hz QD-OLED 4K Gaming Monitor is built for gamers who want top performance. It features a 32-inch curved QD-OLED screen that delivers vibrant colors, deep blacks, and wide viewing angles. With a 4K resolution of 3840 x 2160 and a blazing fast 240Hz refresh rate, gameplay feels smooth and detailed. Its ultra-low 0.03ms response time ensures every movement is crisp and fast with minimal blur. The screen has a gentle curve that wraps around your field of view, making gaming more immersive and natural. This design helps reduce eye strain and keeps you comfortable during long gaming sessions. NVIDIA G-SYNC and AdaptiveSync support keep gameplay fluid and responsive without screen tearing or stutter. It’s perfect for competitive gaming and fast-paced action where timing matters most. The monitor supports HDR with a peak brightness of up to 1000 nits, giving you deep contrast and lifelike images. Colors appear bright and accurate, enhancing your experience in both games and videos. It includes HDMI 2.1 and DisplayPort 1.4 for modern consoles and PCs, plus USB Type-C and USB 3.2 ports. These options make it easy to connect your devices, charge accessories, and stay organized. The stand adjusts for height, tilt, and swivel so you can find the perfect viewing angle. It’s also VESA mount compatible, giving you even more flexibility in your setup. The Alienware AW3225QF 32″ 240Hz QD-OLED 4K Gaming Monitor delivers elite visuals and features for serious gamers. Specifications: Display : 32″ QD-OLED Resolution : 4K UHD 3840 x 2160 Refresh Rate : 240Hz Response Time : 0.03ms
MSI Modern MD272XP Monitor Are you searching for a monitor that can help you level up your productivity, whether at work or in your home office? Look no further than the MSI Modern MD272XP monitor. It’s an efficient and feature-packed solution tailored to meet your professional needs. First and foremost, the MSI Modern MD272XP features a spacious 27-inch display, providing ample screen real estate for your tasks. Whether you’re working on documents, spreadsheets, or simply browsing the web, this monitor offers a comfortable and efficient workspace. In addition to its size, the monitor offers a crisp and clear Full HD resolution. This ensures that text, images, and videos are displayed with exceptional clarity, enhancing your overall viewing experience. Furthermore, the anti-glare technology incorporated into the monitor allows you to work for extended periods without straining your eyes. This feature remains effective even in well-lit environments, reducing potential discomfort. Connectivity is a breeze thanks to the HDMI and DisplayPort ports, accommodating various devices such as laptops and desktops. This flexibility ensures seamless transitions between work and personal tasks. The MSI Modern MD272XP features a sleek, modern design that seamlessly integrates into any office or home office setup, adding a touch of sophistication to your workspace. For ergonomic comfort, the monitor offers tilt adjustability. This feature enables you to find the perfect viewing angle for your specific needs, minimizing discomfort during extended work hours. Specifications: Screen Size : 27″ Resolution : 1920 x 1080 (FHD) Refresh Rate : 100Hz Response Time : 1ms (MPRT) / 4ms (GTG) Panel Type : IPS Viewing Angles : 178°(H) / 178°(V) Aspect Ratio : 16:9 Contrast Ratio : 1000:1
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1706 – 2017 and A1989 – 2018/2019)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. MacBook Pro 15″ (2017) – Model A1706 (Model Identifier: MacBookPro14,3) MacBook Pro 15″ (2018–2019) – Model A1989 (Model Identifier: MacBookPro15,2) ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. ✅ Note: Apple used the same trackpad assembly and flex cable across both A1706 and A1989 15″ models—making this part interchangeable between them. Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable connecting the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
Genuine Apple sleep/wake sensor flex cable (Hall effect sensor) for MacBook Air 13.6″ (Model A2681, 2022, M2)—ensures automatic display sleep when the lid is closed and wake-on-open functionality. OEM part number 821-04129-02. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip (all colors: Silver, Space Gray, Starlight, Midnight). Apple Part Number: 821-04129-02 (exact OEM service part). Function: Contains the Hall effect sensor that detects the magnet in the MacBook Air’s display lid. This allows macOS to: Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Location: Mounted near the right side of the keyboard, adjacent to the battery and logic board. Common Failure Symptoms: MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use Part Type: Flex cable with integrated Hall sensor—not just a cable, but a calibrated magnetic sensor module. Installation Note: Requires full bottom case removal and careful disconnection of the battery. The sensor is adhered near the I/O area—do not bend or puncture. Recommended for experienced technicians.
ZOWIE XL2540K TN 240Hz 24.5 Inch 240Hz Refresh Rate; TN Panel Black eQualizer; Color Vibrance Optional Accessory: S Switch & Shielding Hood
ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor is designed by ViewSonic for competitive gaming and high-end visual performance. ViewSonic builds this monitor to deliver ultra-fast response times, deep contrast, and smooth motion clarity for esports and AAA gaming. ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor features a 2560 × 1440 QHD resolution for sharp image detail. Additionally, it uses OLED panel technology with a 240Hz refresh rate and an extremely fast ~0.02ms response time for smooth and blur-free gameplay. It supports high dynamic range with strong contrast performance thanks to OLED pixel-level lighting. Moreover, it delivers wide color coverage and deep blacks for more immersive visuals during gaming and media use. The monitor supports adaptive sync technologies such as FreeSync Premium and G-Sync compatibility. Therefore, it reduces screen tearing and improves smoothness during fast-paced action scenes. ViewSonic includes versatile connectivity options such as HDMI 2.1, DisplayPort, and USB-C. Furthermore, it supports multiple device setups including PCs, consoles, and accessories through its integrated hub system. ViewSonic XG272-2K-OLED 27″ 240Hz OLED Gaming Monitor delivers ultra-fast response, high refresh rate performance, and premium OLED image quality for competitive and immersive gaming. Specifications: 27-inch QHD (2560×1440) OLED display 240Hz refresh rate for ultra-smooth motion ~0.02ms ultra-fast response time FreeSync Premium and G-Sync compatibility HDMI 2.1, DisplayPort, and USB-C connectivity
Are you ready to take your gaming to the next level? Meet the Asus ROG Swift PG278QR monitor, the ultimate gaming companion. With its cutting-edge features and sleek design, it’s the perfect choice for gamers seeking excellence. Firstly, let’s talk about the mesmerizing visuals. With a blazing-fast refresh rate and NVIDIA G-SYNC technology, this monitor delivers smooth, tear-free gameplay that will immerse you in every virtual world. Say goodbye to stuttering and lagging! Moreover, the WQHD resolution ensures crisp, detailed images that bring your games to life. Whether you’re exploring vast open worlds or engaging in intense firefights, every scene will be rendered with stunning clarity and precision. But the Asus ROG Swift PG278QR isn’t just about visuals—it’s also designed for comfort and convenience. The ergonomic stand allows you to adjust the height, tilt, swivel, and pivot for the perfect viewing angle, reducing strain during extended gaming sessions. Furthermore, connectivity options abound with DisplayPort 1.2 and HDMI ports, ensuring compatibility with a wide range of devices. Whether you’re gaming on your PC, console, or streaming media from your favorite device, the Asus ROG Swift PG278QR has you covered. In conclusion, if you’re serious about gaming, the Asus ROG Swift PG278QR monitor is a game-changer. Elevate your gaming experience with stunning visuals, smooth gameplay, and unmatched comfort. Get ready to unlock gaming excellence like never before! Specifications: Display : 27″ TN Resolution : 2k(2560×1440) Refresh Rate : 165Hz Response Rate : 1ms
Looking to add a touch of efficiency to your workspace? Meet the ViewSonic 24″ 60Hz Touch Monitor TD2455. With its intuitive touch functionality, this monitor redefines productivity. First and foremost, let’s talk about versatility. The TD2455’s 24-inch display size strikes the perfect balance between screen real estate and desk space. Enjoy ample room for multitasking without overwhelming your workspace. Transitioning to touch capabilities, the TD2455 offers a responsive and intuitive touch experience. Navigate through applications, annotate documents, and interact with content effortlessly with just the touch of your fingertips. Moreover, its ergonomic design ensures comfortable viewing angles, reducing strain during extended work sessions. Tilt, swivel, and adjust the height to find the perfect position that suits your needs. Additionally, with a refresh rate of 60Hz, the TD2455 delivers smooth and fluid visuals, enhancing the overall user experience. Whether you’re browsing the web, editing documents, or watching videos, every task feels seamless. Furthermore, the monitor’s Full HD resolution ensures crisp and clear imagery, making text and graphics sharp and legible. Say goodbye to pixelation and hello to clarity, enhancing your productivity and workflow. In conclusion, the ViewSonic 24″ 60Hz Touch Monitor TD2455 is a game-changer for professionals seeking a versatile and efficient display solution. From its intuitive touch functionality to its ergonomic design and crisp visuals, it’s the perfect addition to any workspace. Upgrade today and take your productivity to new heights. Specifications: Type-C Input Display : 24″ IPS Resolution : FHD(1920×1080) Refresh Rate : 60Hz Response Rate : 6ms
REMAX RT-E601 1200MAH TIME II SERIES EYE-CARING LED LAMP Function— Use the power key to turn on/ off the lamp. Tap the power key to adjust the brightness of the lamp (brightest-normal-dimmest-off) four steps are easy to use. When folding the design lamp holder and arm can rotate the angle within a range of 180 degrees up-down adjustment. Press and hold “Mode” Set” Up” Donkey enter normal time mode, alarm clock and snooze mode, birthday reminder mode timer mode, and temperature mode. Time changes 12 hours/24 hours mode and adjusting the hours, minutes, year, month,t,h, and day. Temperature can change to Celsius or Fahrenheit. The red light will be on when it starts charging, and the red light will go out when it is fully charged. Material—ABS+PC Rated voltage—DC5V /0.5A lighting Mode—Direct glow Key Type—Touch key Luminous flux—250m Color rendering index—>80 Rated power—4W Battery Capacity—1200mAh Weight—346g Charging port—Micro SIZE—87*87*263mmCharging time—4-4:30hour Working time—3:30hour
View Sonic Monitor VA2432-h 24” 1080p IPS Monitor HDMI and VGA Input SuperClear® IPS Technology for rich colors at wide angles 75Hz Refresh rate delivers fluid visuals Eye-Care technology for comfortable viewing Eco-mode for low energy consumption Superior ViewMode color rendering options VESA wall-mountable Specifications: View Sonic Monitor VA2432-h 24” 1080p IPS Monitor HDMI and VGA Input SuperClear® IPS Technology for rich colors at wide angles 75Hz Refresh rate delivers fluid visuals Eye-Care technology for comfortable viewing 1 Year Warranty
BATTERY DELL M5Y1K Laptop Battery for Dell Inspiron 15 5000 5555 5558 5559 3552 3558 3567 14 3451 3452 3458 5458 17 5755 5758 Series Rechargeable 40WH li-ion Battery Replacement Fit GXVJ3 VN3N0 YU12005-13001D About this item 【Specification】Dell laptop Replacement Battery Type: Li-ion; Voltage: 14.8 V; Capacity 2600MAH/40WH; Cells:4-Cell 【Stability】M5Y1K Laptop Battery Replacement battery for Dell offers 500+ recharge cycles over life of battery 【COMPATIBLE MODEL】(Check description below for more models) Dell 40WH Standard Rechargeable Li-ion Battery Type M5Y1K 14.8V YU12005-13001D 453-BR GXVJ3 HD4J0 M5YIK MSY1K Dell Inspiron 14 15 3000 Laptop Replacement Battery 3558 3458 3567 3452 3565 3459 P60G Dell Inspiron 14 15 17 5000 Laptop Battery 5555 5558 5559 5755 5758 5458 Dell Vostro Laptop Battery 3558 3458 Dell Latitude Laptop Battery 3460 3560 【GUARANTEE】Our Dell M5Y1K replacement laptop battery is 100% Compatible with the originals. Complying with the CE/FCC/ROHS/UL Certified Standard
The Lenovo ThinkVision T24‑40 24‑inch monitor offers clear and sharp Full HD visuals that improve everyday work and multimedia tasks. As a result, text, spreadsheets, and videos appear crisp and easy to view. In addition, the IPS panel provides wide viewing angles, so colors remain consistent even when you shift your position. Furthermore, this monitor includes features that help reduce eye strain during long sessions, making it suitable for office work, study, or creative tasks. It also offers flexible connectivity options that allow you to connect laptops and desktops without extra adapters. Therefore, it fits well into both professional and home environments. Overall, the Lenovo ThinkVision T24‑40 delivers dependable display quality and practical features, making it a great choice for users seeking a reliable 24‑inch monitor. Specifications: 24″ Full HD IPS display for crisp visuals Wide viewing angles for consistent colors Eye comfort features for long sessions Flexible connectivity for multiple devices Reliable performance for work and home use
The MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor delivers an immersive gaming experience. With a fast 280Hz refresh rate, it ensures ultra-smooth gameplay. Say goodbye to motion blur and enjoy crystal-clear visuals. This monitor features a 1500R curved design that enhances immersion. It wraps around your field of vision, making gaming more engaging. Whether you’re playing fast-paced shooters or open-world adventures, the curved screen provides an edge. The MSI MAG 276CXF has a Full HD resolution for sharp and vibrant images. It supports a wide color gamut, offering lifelike colors and rich contrast. Enjoy every detail in your favorite games and multimedia content. With a lightning-fast 1ms response time, ghosting and lag are minimized. This ensures smooth transitions and precise actions, giving you a competitive advantage. The monitor is also compatible with AMD FreeSync Premium, which eliminates screen tearing and stuttering. Connectivity is easy with multiple ports, including HDMI and DisplayPort. You can easily connect your PC, gaming console, or other devices. The MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor is designed for long gaming sessions. It includes eye-care technology, reducing blue light and flicker to minimize eye strain. Play longer without discomfort. With a stylish and modern design, this monitor enhances any gaming setup. Its slim bezels offer an immersive multi-monitor experience. Whether you’re a casual gamer or an esports enthusiast, this monitor delivers outstanding performance. Upgrade your gaming with the MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor today. Specifications: Display : 27″ Rapid VA Resolution : 1920×1080 (FHD) Curvature : 1500R Refresh Rate : 280Hz Response Rate :0.5ms
