Ultra Thin Arabic Keyboard Cover Skin for MacBook Pro 13 Inch 2022 2021 2020 (Apple M2 Chip/Apple M1 Chip A2338/A2289/A2251) and 2019 MacBook Pro 16 Inch (Model A2141) Protector (Black) Ultra Thin Arabic Keyboard Cover Skin for MacBook Pro 13 Inch 2022 2021 2020 (Apple M2 Chip/Apple M1 Chip A2338/A2289/A2251) and 2019 MacBook Pro 16 Inch (Model A2141) Protector (Black) About this item [√] COMPATIBLE WITH: (1) 2022 MacBook Pro 13-Inch with Apple M2 processor, (2) MacBook Pro 13-Inch 2021 2020 with Apple M1 processor (model: A2338), (3) MacBook Pro 13-Inch Early 2020 released (model: A2289/A2251) and (4) 2019 MacBook Pro 16-Inch (model: A2141) [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning or disinfecting. [√] 0.26 MM/0.1 IN THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing. [√] 100% CUSTOMER SERVICE and MONEY BACK GUARANTEE: if you are not fully satisfied with the products you received, please feel free to contact us. We will provide you with a 100% customer service and money back guarantee.
BenQ RE8604 86” 4K UHD Interactive Flat Panel is a large interactive display designed for classrooms, meeting rooms, and training environments. It supports touch interaction, built-in Android system, and 4K resolution for collaboration and presentations. It features an 86-inch IPS panel with 3840 × 2160 4K UHD resolution. Therefore, it delivers sharp visuals and wide viewing angles for group use. In addition, it supports up to 40-point multi-touch input for writing and collaboration. Moreover, it runs an Android-based system (EDLA-supported depending on configuration). As a result, users can open apps, use whiteboard tools, and present content directly on the display without an external PC. The display includes anti-glare glass. Therefore, it remains readable in bright environments. In addition, it supports 4K 60Hz output for smooth visuals during presentations and video playback. Furthermore, it includes HDMI, USB, USB-C, LAN, and OPS slot connectivity. As a result, it works with laptops, external PCs, and modular computing systems. It also includes built-in speakers for classroom and meeting audio. Therefore, it supports presentations without extra sound systems. Finally, the BenQ RE8604 delivers a large 4K interactive workspace with multi-touch control and flexible connectivity for education and business use. Specifications: Display: 86-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch support for collaboration System: Android-based interactive platform (EDLA support depending on model) Connectivity: HDMI, USB, USB-C, LAN, and OPS slot Display: Anti-glare screen with 4K 60Hz smooth output
External Seagate 2TB/4TB HDD Expansion Portable Drive Easily store and access 2TB/4TB of content on the go with Seagate Expansion Portable hard drive This external hard drive for Windows computers makes backup a snap just drag and drop To get set up, connect the portable hard drive to your Windows computer for automatic recognition no software required This USB drive provides plug and play simplicity with the included 18 inch USB 3.0 cable Enjoy long term peace of mind with the included one year limited warranty
AOC 27G50Z 27-inch 260Hz gaming monitor delivers ultra-fast performance for competitive esports gaming. It focuses on extreme refresh rate, ultra-low response time, and precise motion clarity for high-level gameplay. Additionally, it features a 27-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides sharp visuals and accurate colors, so it ensures consistent performance during intense gaming sessions. Moreover, it supports up to a 260Hz refresh rate (overclocked, 240Hz native). As a result, it delivers extremely smooth motion and maximizes high FPS gameplay performance. The monitor includes 1ms GtG and 0.3ms MPRT response time. Therefore, it reduces motion blur and ghosting for clearer fast-action visuals. In addition, it supports Adaptive Sync technology and low input lag mode. This reduces screen tearing and ensures precise, responsive gameplay. Furthermore, it supports HDR10 and gaming features like Shadow Control and Game Mode presets. These features improve contrast, visibility, and in-game performance tuning. The monitor also includes HDMI 2.0 and DisplayPort 1.4 connectivity with a frameless esports design. It supports modern gaming setups with clean and simple installation. AOC 27G50Z 27-inch 260Hz gaming monitor provides top-tier speed, ultra-smooth visuals, and competitive features for serious gamers. Specifications: 27-inch Fast IPS panel with Full HD 1920 × 1080 resolution 260Hz refresh rate (240Hz native, overclocked) 0.3ms MPRT and 1ms GtG response time Adaptive Sync with low input lag mode HDR10 with gaming presets and image controls
256GB SSD Apple Macbook Pro Air 2013 2014 2015 A1502 A1398 A1466 A1465 | Samsung MZ-JPU512T/A06 | 655-1805D ORIGINAL APPLE PART (Apple sources their SSD’s for MacBooks from Samsung) A1502 – A1398 – A1465 – A1466 100% TESTED WORKING Please check compatibility below before you make your purchase: COMPATIBILITY: MacBook Pro Retina Late 2013 – Mid-2015 MacBookPro11,1 (A1502) – ME864LL/A, ME866LL/A, ME867LL/A, MGX72LL/A, MGX92LL/A, & MGXD2LL/A MacBookPro11,2 (A1398) – ME293LL/A & MGXA2LL/A MacBookPro11,3 (A1398) – ME294LL/A, ME874LL/A, MGXC2LL/A, & MGXG2LL/A MacBookPro11,4 (A1398) – MJLQ2LL/A MacBookPro11,5 (A1398) – MJLT2LL/A & MJLU2LL/A MacBookPro12,1 (A1502) – MF839LL/A, MF841LL/A, & MF843LL/A MacBook Air Mid-2013 – Late 2015 MacBookAir6,1 (A1465) – MD711LL/A, MD760LL/A, MD711LL/B, & MF067LL/A MacBookAir6,2 (A1466) – MD760LL/A, MD760LL/B, & MF068LL/A MacBookAir7,1 (A1465) – MJMVM2LL/A MacBookAir7,2 (A1466) – MJVE2LL/A Model Identifier: Samsung Manufacturer Part# MZ-JPU512T/A06
Experience professional-grade power with this pre-owned ThinkPad E14 Gen 2. Featuring a robust AMD Ryzen 7 4700U 8-core processor, 16GB RAM, and a 256GB NVMe SSD, this 14-inch laptop is built for high-speed productivity, secure data management, and long-lasting durability.
128GB SSD Apple Macbook Pro Air 2013 2014 2015 A1502 A1398 A1466 A1465 | Samsung MZ-JPU512T/A06 | 655-1805D ORIGINAL APPLE PART (Apple sources their SSD’s for MacBooks from Samsung) A1502 – A1398 – A1465 – A1466 100% TESTED WORKING Please check compatibility below before you make your purchase: COMPATIBILITY: MacBook Pro Retina Late 2013 – Mid-2015 MacBookPro11,1 (A1502) – ME864LL/A, ME866LL/A, ME867LL/A, MGX72LL/A, MGX92LL/A, & MGXD2LL/A MacBookPro11,2 (A1398) – ME293LL/A & MGXA2LL/A MacBookPro11,3 (A1398) – ME294LL/A, ME874LL/A, MGXC2LL/A, & MGXG2LL/A MacBookPro11,4 (A1398) – MJLQ2LL/A MacBookPro11,5 (A1398) – MJLT2LL/A & MJLU2LL/A MacBookPro12,1 (A1502) – MF839LL/A, MF841LL/A, & MF843LL/A MacBook Air Mid-2013 – Late 2015 MacBookAir6,1 (A1465) – MD711LL/A, MD760LL/A, MD711LL/B, & MF067LL/A MacBookAir6,2 (A1466) – MD760LL/A, MD760LL/B, & MF068LL/A MacBookAir7,1 (A1465) – MJMVM2LL/A MacBookAir7,2 (A1466) – MJVE2LL/A Model Identifier: Samsung Manufacturer Part# MZ-JPU512T/A06
A capable pre-owned Dell Latitude 5401 with 14" display, 10th Gen Core i7, 16GB RAM, 512GB SSD, and NVIDIA GeForce MX330 2GB—ideal for professionals who need extra graphics power for light creative work or multitasking in a durable business laptop.
HP M24f Monitor Overview The HP M24f is a 24-inch Full HD monitor designed for work and everyday use. It offers a slim design and reliable performance. As a result, it suits offices, home setups, and students. 24-Inch Full HD Display This monitor features a 24-inch Full HD resolution. Therefore, text appears sharp and easy to read. Moreover, images look clear and well balanced. Because of this, it supports long working sessions comfortably. In addition, the wide viewing angles improve screen visibility. As a result, content stays clear from different positions. Smooth Visual Performance The HP M24f delivers smooth visuals for daily tasks. As a result, scrolling and browsing feel natural. Furthermore, the display maintains consistent brightness. This improves overall viewing comfort. Eye Comfort and Anti-Glare Screen This monitor includes eye comfort features. Therefore, it helps reduce eye strain. In addition, the anti-glare coating minimizes reflections. As a result, users can work comfortably in bright rooms. Connectivity and Compatibility The HP M24f includes HDMI and VGA ports. As a result, it connects easily to modern and older devices. Moreover, setup is quick and simple. Therefore, users can start working right away. Slim Design and Mounting Options The monitor features a sleek and modern design. In addition, it supports VESA mounting. As a result, users can save desk space and customize layouts. Ideal for Daily Use This monitor focuses on clarity and reliability. Moreover, it suits office work, browsing, and media viewing. In conclusion, the HP M24f offers a balanced and efficient display solution. Specifications: Display: 23.8-inch IPS panel with 178-degree ultra-wide viewing angles. Resolution: FHD (1920 X 1080) at 75Hz refresh rate. Visual Quality: 300 nits brightness, 1000:1 contrast ratio, and 99% sRGB color gamut for accurate, vibrant, and consistent colors. Gaming/Performance: AMD Free Sync technology reduces screen tearing and stuttering
The Samsung 75″ QLED LS03F The Frame 4K Smart TV QA75LS03FAUXTW uses a 75-inch LCD panel with 3840 × 2160 4K resolution. It is designed for both TV viewing and wall-mounted display use. The panel uses Quantum Dot (QLED layer) technology to improve color reproduction. As a result, it produces more accurate and wider color output compared to standard LCD panels. In addition, it supports 4K upscaling for lower-resolution content. The TV supports HDR formats for compatible content. This increases contrast between bright and dark areas and improves visible detail. Also, motion processing reduces blur during fast-moving scenes such as sports and action content. Samsung equips this model with Tizen OS. Therefore, users access streaming apps, SmartThings integration, and smart features through a unified interface. It also supports Wi-Fi and Bluetooth for wireless device connections. Connectivity includes HDMI ports, USB ports, Ethernet LAN, and optical audio output. It supports external devices such as gaming consoles and sound systems. This model uses The Frame design concept, which allows the TV to function as both a display and a digital art screen when not in use. Specifications: 75-inch 4K UHD LCD panel (3840 × 2160 resolution) Quantum Dot (QLED layer) color enhancement 4K upscaling for lower-resolution content HDR support for compatible content Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
Genuine-spec US layout keyboard replacement for MacBook Air 13″ (Model A2337, 2020)—featuring the Magic Keyboard design with scissor-switch mechanism, backlighting, and full OEM compatibility. Compatible With: MacBook Air 13-inch (2020, Model A2337) – includes both M1 and Intel Core i3/i5/i7 variants. Keyboard Type: Apple’s updated Magic Keyboard with scissor-switch mechanism—more reliable and comfortable than earlier Butterfly designs. Layout: Standard US English (QWERTY), including inverted-T arrow keys and full function row. Integrated Features: Backlit keys, ambient light sensor support, and original ribbon cable connector for seamless plug-and-play installation. Build & Fit: Precision-engineered to match Apple’s original dimensions, key spacing, and tactile response—ensures flush mounting within the top case. Installation Note: The keyboard is glued into the top case and requires careful removal and re-adhesion. Full top case disassembly is necessary. Recommended for experienced repair technicians
AOC Q32V3S/WS 31.5-inch QHD monitor delivers sharp visuals and a clean design for productivity, media, and light gaming. It focuses on large-screen clarity, accurate color, and comfortable daily use. Additionally, it features a 31.5-inch IPS panel with QHD resolution (2560 × 1440). This resolution provides fine detail and extra workspace, so it improves multitasking and visual clarity. Moreover, it uses IPS technology. As a result, it delivers consistent colors and wide viewing angles from almost any position. The monitor supports a 4ms GtG response time. Therefore, it keeps motion reasonably smooth for general use and casual entertainment. In addition, it includes Adaptive Sync support. This reduces screen tearing and stuttering, so visuals stay smoother during compatible gaming and video playback. Furthermore, it includes Low Blue Light and Flicker-Free technologies. So it helps reduce eye strain during long working or study sessions. AOC Q32V3S/WS 31.5-inch QHD monitor provides a large, sharp display with comfort-focused features for everyday productivity and entertainment. Check out other option here! Specifications: 31.5-inch IPS panel with QHD 2560 × 1440 resolution Wide viewing angles with consistent color accuracy 4ms GtG response time for smooth visuals Adaptive Sync for reduced tearing and stuttering Low Blue Light and Flicker-Free eye comfort tech
Genuine-spec keyboard replacement for MacBook Pro 13″ (Model A2251, 2020) — choose US QWERTY or UK QWERTY (with £ symbol). Features Apple’s reliable Magic Keyboard with scissor-switch mechanism, backlighting, and precise OEM fit. Compatible With: MacBook Pro 13-inch (2020, Two Thunderbolt Ports, Model A2251, Model Identifier MacBookPro16,1) with Intel Core i5/i7 processors. Layout Options (select at purchase): US Layout: Standard QWERTY with wide Enter key, @ above 2, # above 3, and full function row. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ accessed via right Alt, and UK-specific punctuation. US Layout: Standard QWERTY with wide Enter key, @ above 2, # above 3, and full function row. UK Layout: QWERTY with £ symbol, tall vertical Enter key, @ accessed via right Alt, and UK-specific punctuation. Keyboard Type: Apple’s Magic Keyboard with scissor-switch mechanism—offering improved durability, quieter typing, and 1mm key travel compared to Butterfly keyboards. Integrated Features: Full backlit keys for low-light environments Ambient light sensor support OEM-style flex cable pre-attached for direct connection to the logic board Full backlit keys for low-light environments Ambient light sensor support OEM-style flex cable pre-attached for direct connection to the logic board Precision Build: Engineered to match Apple’s exact dimensions, key spacing, and top-case curvature—ensures seamless visual and functional integration. Installation Note: The keyboard is factory-glued into the top case. Replacement requires full disassembly, careful adhesive removal, and professional re-adhesion. Recommended for experienced or certified repair technicians only.
NB OMS040 OMS040 NB STAND DESK TV INNOVATIVE SIT STAND DESK MOUNT: UNIVERSAL COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can berotated and tilted effortlessly in any direction, Tilt Angel from +9°to -12°with acombined +3°to -3° degree landscape rotation, Upright range is 17.1’’(435mm) withswivel angel ±90 degrees. The mounts extension and retraction 50.4’’ (1280 mm) and3.9’’ (100 mm) display height adjustment. EASY INSTALLATION: Built in durable gas-strut to hover at any workingpositions, Simple installation and easy to use, effortless operation; Switches fromsitting to standing position in just a few seconds. HAT6 STAND 6 LCD/LED DESK MOUNT 12”-24”-JTD003II6 -MAX-LOAD:10KG -TILT:+/-10 degree- SWIVEL:180 degree H148 Specifications: Specifications COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can be rotated and tilted effortlessly in any direction
The 512GB Apple MacBook SSD is a high-speed solid-state drive designed for select MacBook Pro and MacBook Air models from 2013 to 2015. It delivers fast boot times, quick file access, and reliable performance, making it an ideal replacement or upgrade for aging Apple laptops. Key Features 512GB Storage Capacity – Plenty of space for macOS, applications, and files High-Speed SSD Performance – Faster boot times and smoother system operation Apple Proprietary Interface – Designed specifically for compatible MacBooks Reliable & Durable – No moving parts for improved stability and longevity Perfect Upgrade or Replacement – Restore performance or increase storage Compatible Models MacBook Pro Retina 13-inch (2013–2015) MacBook Pro Retina 15-inch (2013–2015) MacBook Air 11-inch (2013–2015) MacBook Air 13-inch (2013–2015) Compatible Model Numbers MacBook Pro: A1398, A1502 MacBook Air: A1465, A1466
240W USB-C Original Charge Cable (2m) (Second Hand) This 2-meter charge cable—with USB-C connectors on both ends—is ideal for charging, syncing, and transferring data between USB-C devices. Pair the USB-C Charge Cable with a compatible USB-C power adapter to conveniently charge your devices from a wall outlet and take advantage of fast-charging capabilities. USB-C Power Adapters sold separately. 240W USB-C Original Charge Cable (2m) (Second Hand) This 2-meter charge cable—with USB-C connectors on both ends—is ideal for charging, syncing, and transferring data between USB-C devices. Pair the USB-C Charge Cable with a compatible USB-C power adapter to conveniently charge your devices from a wall outlet and take advantage of fast-charging capabilities. USB-C Power Adapters sold separately. This 2-metre charging cable is made with a woven design — with USB-C connectors on both ends — and is ideal for charging, syncing and transferring data between USB-C devices. It supports charging of up to 240 watts and transfers data at USB 2 rates. Pair the USB-C Charge Cable with a compatible USB-C power adapter to conveniently charge your devices from a power point and take advantage of fast-charging capabilities. USB-C power adapters sold separately.
The MSI PRO MP165 E6 16″ FHD 60Hz Portable Monitor gives you a compact and light screen for travel and work. Its Full HD resolution shows clear and sharp visuals for documents, videos, and web browsing. The 16-inch size keeps the monitor easy to carry and simple to place. This makes it ideal for laptops, remote work, and on-the-go setups. Moreover, the MSI PRO MP165 E6 16″ FHD 60Hz Portable Monitor uses an IPS panel with good viewing angles. Colors stay fairly accurate when viewed from the side. The anti-glare surface helps reduce reflections under bright light. This enhances comfort when you use the screen outdoors or in bright rooms. In addition, the monitor supports both HDMI and USB-C connections. You can connect laptops, mini-PCs, consoles, or tablets quickly. The USB-C connection allows video signal and power with a single cable. This reduces cable clutter and makes setup easier. The built-in speakers add basic audio support without extra devices. Furthermore, the MSI PRO MP165 E6 16″ FHD 60Hz Portable Monitor remains very thin and lightweight. It weighs around 0.78 kg, making it easy to slip inside a backpack or bag. This portability helps if you travel for work, study, or creative projects. A small, easy protective pouch helps keep it safe on the move. Also, the monitor offers simple tilt adjustment and even supports VESA/pocket-mount or tripod mounting for flexible placement. This lets you set it at a comfortable angle whether at your desk or on the go. The simple and clean design matches different workspaces. Overall, the MSI PRO MP165 E6 16″ FHD 60Hz Portable Monitor gives portability, clarity, and convenience in one compact package. It boosts productivity, enhances mobility, and suits travelers, students, and remote workers. This monitor is a good pick when you want a second screen or a lightweight display for travel and everyday use. Specifications: Display : 16″ IPS Resolution : FHD 1920×1080 Refresh Rate : 60Hz Response Time : 4ms
Are you in the market for a gaming monitor that delivers top-notch performance without breaking the bank? Look no further than the MSI Optix MAG272CQR. In this comprehensive review, we’ll explore the features that make this monitor stand out. To start with, the MSI Optix MAG272CQR boasts a stunning 27-inch curved display, providing an immersive gaming experience. The curvature enhances your field of view, pulling you deeper into the game. Equipped with a 2560 x 1440 Quad HD resolution, this monitor delivers crisp and detailed visuals. Dive into your favorite games with clarity and precision, experiencing every detail as the developers intended. The 165Hz refresh rate ensures buttery-smooth gameplay, reducing motion blur for a competitive edge. Combined with a 1ms response time, the MSI Optix MAG272CQR is a stellar choice for fast-paced gaming scenarios. Adaptive Sync technology minimizes screen tearing and stuttering, creating a seamless and enjoyable gaming experience. Whether you’re into FPS, RPG, or MOBA games, this monitor adapts to your playstyle. Connectivity is a breeze with multiple ports, including HDMI and DisplayPort, providing versatility for various devices. The adjustable stand allows you to find the perfect viewing angle, ensuring comfort during those marathon gaming sessions. In summary, the MSI Optix MAG272CQR is a gaming monitor that ticks all the boxes – immersive display, high resolution, fast refresh rate, and adaptive sync technology. Elevate your gaming experience without breaking the bank. Make the smart choice with the MSI Optix MAG272CQR. Specifications: Size : 27″ Curve : 1500R Refresh Rate : 165Hz Response Time : 1ms
Philips 271V8LA/71 27-inch Full HD monitor delivers reliable everyday performance for work, study, and light entertainment. It focuses on clear visuals, comfortable viewing, and stable refresh rate for daily use. Additionally, it features a 27-inch VA panel with Full HD resolution (1920 × 1080). This panel provides strong contrast and wide viewing angles, so it improves readability and general image clarity. Moreover, it supports a 75Hz refresh rate with Adaptive Sync. As a result, it delivers smoother motion and reduces screen tearing during video playback and casual gaming. The monitor includes a 4ms response time (GtG). Therefore, it keeps motion reasonably smooth for office tasks, browsing, and multimedia use. In addition, it offers Flicker-Free technology and LowBlue Mode. So it helps reduce eye strain during long working or study sessions. Furthermore, it supports HDMI and VGA connectivity. This ensures compatibility with both modern and older devices, making setup flexible and simple. Philips 271V8LA/71 27-inch Full HD monitor provides a practical balance of clarity, comfort, and smooth everyday performance for home and office use. manufacturer link Specifications: 27-inch VA panel with Full HD 1920 × 1080 resolution 75Hz refresh rate for smoother visuals Adaptive Sync for reduced tearing and stuttering 4ms GtG response time for stable motion Flicker-Free and LowBlue Mode for eye comfort
The ViewSonic VX3211-4K-mhd 32″ 4K Monitor is designed to transform your visual experience. Whether you’re working, gaming, or watching movies, this monitor delivers crystal-clear images with incredible detail. Featuring a stunning 32-inch 4K UHD display, the ViewSonic VX3211-4K-mhd provides four times the resolution of Full HD. This means you can enjoy sharper images, vibrant colors, and exceptional clarity, making every detail come to life. The ViewSonic VX3211-4K-mhd supports a wide color gamut, ensuring that colors are accurate and true to life. This makes it an excellent choice for graphic designers, photographers, and video editors who need precise color reproduction. With multiple connectivity options, including HDMI, DisplayPort, and Mini DisplayPort, the ViewSonic VX3211-4K-mhd offers versatility for connecting various devices. Whether you’re connecting a computer, gaming console, or other multimedia devices, this monitor has you covered. The ViewSonic VX3211-4K-mhd also features advanced eye care technology. Flicker-Free and Blue Light Filter functions help reduce eye strain during extended viewing sessions, making it comfortable for long hours of work or entertainment. This monitor is also designed with an ultra-slim bezel, offering a sleek and modern look that complements any workspace or gaming setup. Its VESA compatibility allows for easy mounting, giving you the flexibility to set it up the way you like. In conclusion, the ViewSonic VX3211-4K-mhd 32″ 4K Monitor offers stunning visuals, vibrant colors, and versatile connectivity. Upgrade your display today and experience the difference that 4K resolution can make. Specifications: Display : 32″ UHD Resolution : 4K (3840×2160) Refresh Rate : 60Hz Response Rate : 3ms
