New A1932 A2179 A2337 DC in Power Jack Connector for Macbook Air 13" Type-C USB-C Power 821-01658-A 2018 2019 2020 Year New A1932 A2179 A2337 DC in Power Jack Connector for Macbook Air 13″ Type-C USB-C Power 821-01658-A 2018 2019 2020 Year About this item New A1932 A2179 A2337 DC Jack Power DC-in Board for MacBook Retina 13″ DC Power Jack Board We have good after-sales services. We share the latest information on laptop spare parts in the Chinese market with all our customers. This is NOT an easy job for someone with no technical skills in Disassembling or Assembling a laptop, So only purchase this item if you know how to install it. Each DC Board is tested before shipping and working.
Looking to enhance your visual experience? The AOC 22B3HM 21″ 75Hz Monitor is here to elevate your viewing pleasure. With its sleek design and impressive features, it’s the perfect addition to any setup. First and foremost, let’s talk about clarity. The AOC 22B3HM boasts a vibrant 21-inch display that delivers crisp and clear visuals. Whether you’re watching movies, browsing the web, or gaming, every detail will pop with vividness. Transitioning to performance, this monitor offers a smooth and seamless viewing experience with its 75Hz refresh rate. Say goodbye to motion blur and hello to fluid motion, whether you’re scrolling through content or gaming. Moreover, its slim bezel design provides an immersive viewing experience, allowing you to focus entirely on the content at hand. Get ready to dive into your favorite movies and games like never before. In addition, the monitor’s adjustable stand offers ergonomic comfort, allowing you to find the perfect viewing angle for extended use. Say goodbye to neck strain and hello to comfortable viewing for hours on end. Furthermore, with multiple connectivity options, including HDMI and VGA ports, the AOC 22B3HM ensures compatibility with a wide range of devices. Connect your gaming console, PC, or laptop effortlessly and enjoy your content in style. In conclusion, the AOC 22B3HM 21″ 75Hz Monitor is a game-changer in the world of displays. With its stunning visuals, smooth performance, and ergonomic design, it’s the perfect choice for anyone looking to enhance their viewing experience. Upgrade your setup today and immerse yourself in the world of vibrant visuals. Check out other option here! Specifications: Display : 21.5″ VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 75Hz Response Rate : 4ms
The Samsung 22″ 75Hz Essential Monitor is designed to enhance your daily computing tasks with smooth performance and vibrant colors. Whether you’re working, watching videos, or browsing, this monitor delivers clear and crisp visuals. Featuring a 22-inch screen, this monitor provides ample display space for multitasking. With a 75Hz refresh rate, the Samsung 22″ Essential Monitor ensures fluid motion, reducing screen tearing and providing a smooth viewing experience. The Full HD resolution brings sharp details and vivid colors, making your videos and images look more lifelike. Whether for work or entertainment, you’ll enjoy a more immersive visual experience with the Samsung 22″ Essential Monitor. With its slim and sleek design, this monitor complements any workspace. It’s easy to set up, and the compact design saves valuable desk space. The monitor’s slim bezels also give it a modern, streamlined look. The Samsung Essential Monitor comes equipped with Eye Saver Mode and Flicker-Free technology, designed to reduce eye strain during long hours of use. This makes it ideal for both work and extended screen time. In addition, the monitor offers easy connectivity options, including HDMI and VGA ports, allowing you to connect a wide range of devices effortlessly. In conclusion, the Samsung 22″ 75Hz Essential Monitor is the perfect blend of performance, style, and convenience. Upgrade your viewing experience with smooth visuals and vivid colors for everyday use. Specifications: Display : 22″ VA Resolution : FHD (1920×1080) Refresh Rate : 75Hz Response Time : 5ms GTG
The MSI PRO MP275Q 27″ 100Hz Business Monitor is built for productivity, comfort, and performance in both work and study environments. With a 27-inch QHD display, it delivers sharper images and more screen space compared to standard Full HD monitors. Moreover, the thin bezels create a modern look and allow for seamless multi-monitor setups. Because eye health is important, this monitor includes TÜV-certified low blue light and flicker-free technology. As a result, it reduces strain during long working hours. In addition, the ergonomic tilt adjustment ensures a comfortable viewing position throughout the day. The MSI PRO MP275Q 27″ 100Hz Business Monitor provides smooth visuals with its 100Hz refresh rate. Furthermore, AMD FreeSync support minimizes screen tearing, making video playback and light gaming more fluid. Therefore, it suits professionals who want a monitor that balances work efficiency with entertainment. Connectivity is flexible with HDMI and DisplayPort options, allowing easy connection to PCs, laptops, and other devices. Besides that, its built-in speakers deliver clear audio, reducing the need for external accessories. Not only does it excel in performance, but it is also VESA mount compatible, giving you more setup flexibility. In short, the MSI PRO MP275Q 27″ 100Hz Business Monitor combines visual clarity, smooth performance, and practical features, making it an excellent choice for offices and home setups alike. Specifications: Display : 27″ IPS Screen : FHD (2560×1440) Refresh Rate : 100Hz Response Rate : 1ms (MPRT) / 4ms (GtG)
TT03XL Laptop Battery Compatible with Hp EliteBook 850 G5 850 G6 ZBook 15U G5 15U G6 Series Notebook 932824-2C1 933322-855 932824-421 HSTNN-LB8H HSTNN-DB8K 11.55V 56Wh 4610mAh About this item 【Battery type】Li-ion. Voltage: 11.55V. Capacity: 56Wh 4610mAh. 【Replacement For Laptop】Hp EliteBook 850 G5 G6, ZBook 15U G5 G6 Series . 【Compatible Part Number】TT03XL 932824-2C1 933322-855 932824-421 HSTNN-LB8H HSTNN-DB8K TTO3XL. 【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. 【Use Skills】If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
Genuine-spec touchpad flex cable for MacBook Pro 16″ (Model A2159, 2019, Intel)—essential for restoring full Force Touch functionality, haptic feedback, and precise trackpad responsiveness during repair or replacement. Compatible With: MacBook Pro 16-inch (2019, Model A2159) with Intel Core i7/i9 processors (Model Identifier: MacBookPro16,1). Part Type: Touchpad flex cable only—does not include the trackpad, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS gestures (e.g., Force Click, three-finger swipe, pinch-to-zoom) and Taptic Engine operation. OEM-Quality Build: Matches Apple’s original flex circuit in length, connector pitch, shielding, and bend radius—ensures reliable signal integrity and durability under repeated use. Common Use Cases: Replacing a torn, frayed, or corroded original flex cable Completing a trackpad replacement when the original cable is damaged Fixing intermittent or unresponsive trackpad behavior caused by cable failure Replacing a torn, frayed, or corroded original flex cable Completing a trackpad replacement when the original cable is damaged Fixing intermittent or unresponsive trackpad behavior caused by cable failure Installation Note: Requires full bottom case removal and careful routing beneath the battery and logic board. Connectors use ZIF (Zero Insertion Force) sockets—must be properly aligned and latched without force. Recommended for certified or experienced technicians only.
WIWU Pilot Water Resistant High-Capacity Laptop Sleeve Case
Apple MacBook Pro 16” (2019) — professional-grade power and stunning Retina display.• Intel Core i9 • 32 GB RAM • 500 GB SSD • 4 GB Dedicated GraphicsRetina Display | macOS |
The MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor delivers an immersive gaming experience. Its 32-inch curved display enhances your field of view, making games feel more engaging and realistic. With a 1500R curvature, it offers a comfortable viewing experience for extended gaming sessions. This monitor features a 180Hz refresh rate, providing ultra-smooth visuals. It reduces motion blur and screen tearing, ensuring a competitive edge in fast-paced games. Combined with a 1ms response time, you get lightning-fast reactions with no ghosting or lag. The MSI MAG 32CQ6F boasts a 2560×1440 (QHD) resolution, offering crisp and detailed visuals. Whether you’re gaming, streaming, or working, the high resolution provides stunning clarity. The VA panel technology ensures vibrant colors and deep contrasts for an immersive viewing experience. With support for AMD FreeSync Premium, the monitor synchronizes with your GPU to eliminate screen tearing and stuttering. This ensures smooth gameplay even during intense action scenes. The monitor also features multiple connectivity options, including HDMI and DisplayPort, making it compatible with various devices. The stylish and modern design of the MSI 32CQ6F complements any gaming setup. Its slim bezels and adjustable stand offer flexibility and comfort. Plus, the anti-flicker and low blue light technology help reduce eye strain, allowing for longer gaming sessions. Upgrade your gaming experience with the MSI MAG 32CQ6F 32″ 180Hz Curved Gaming Monitor, perfect for casual and competitive gamers alike. Specifications: Display : 31.5″ Rapid VA Resolution : 2560 x 1440 (WQHD) Curvature : 1500R Refresh Rate : 180Hz Response Rate : 0.5ms
The MSI MAG E18 32-inch curved gaming monitor delivers smooth performance and immersive visuals for modern gaming setups. It features a wide display that enhances focus and creates a more engaging experience. Therefore, users can enjoy both casual and competitive gameplay with better visual coverage. Moreover, the WQHD resolution provides clear and detailed images for games and multimedia. The curved design improves viewing comfort and keeps content within your natural field of view. In addition, the 180Hz refresh rate ensures fluid motion during fast-paced scenes. The fast 0.5ms response time reduces motion blur and improves clarity in action sequences. As a result, players gain better control and precision. Furthermore, the panel maintains consistent colors and wide viewing angles, which enhances overall visual quality. In addition, adaptive sync support helps eliminate screen tearing and stuttering. This creates a more stable and enjoyable gaming experience. The monitor also includes multiple connectivity options, allowing easy integration with gaming systems and PCs. MSI MAG E18 32 monitor offers a strong balance of speed, clarity, and immersion. MSI MAG E18 32 monitor is a reliable choice for gamers who want smooth performance and consistent visuals. Specifications: 32-inch WQHD (2560 × 1440) curved display 180Hz refresh rate for smooth gameplay 0.5ms response time for reduced motion blur Curved panel for immersive viewing experience Multiple connectivity ports for flexible setup
Original top case (upper case) assembly for MacBook model A2338 (2020/2022), pulled from a working unit. Includes keyboard, battery, and palm rest — ready for drop-in replacement of a damaged upper half. This is a genuine Apple top case (upper case) assembly removed from a functioning MacBook Pro A2338. Ideal to replace a worn, cracked, or non-functional upper chassis with a fully integrated solution. It carries all the components you need for the top half of the laptop — keyboard, battery, housing, etc. Key Features & Components OEM top case: Apple original part Includes backlit keyboard built into the upper case Integrated battery cells mounted to the housing Palm rest / palm area with matching finish Cutouts and mounts for trackpad, speakers, and internal cabling Compatible with A2338 MacBook Pro (2020 M1 / 2022 M2) models Requires transfer of the Touch ID sensor, as it’s paired to the logic board not included in the case May or may not include trackpad (depending on seller / condition) Tested for battery health, keyboard functionality, internal connections (unless otherwise stated) Detailed Specifications Important Notes & Caveats Must ensure exact model (A2338) — other top cases won’t match in ports, screw layout, and internal fit. Transfer the Touch ID / fingerprint sensor from your original case — it’s tied to the logic board. Check battery condition before listing / resale — internal cells may have wear. Minor cosmetic defects or marks may exist due to being a used part. Installation requires moderate repair skills — ribbon cables, screws, and internals must be aligned correctly.
Searching for a portable monitor to enhance your remote work experience? Look no further than the ViewSonic TD1655. This compact and versatile display is designed to elevate your productivity wherever you go. Firstly, its slim and lightweight design makes it easy to carry, fitting seamlessly into your work or travel bag. Enjoy the convenience of a dual-screen setup, enhancing multitasking capabilities on the fly. The TD1655 boasts a full HD resolution, ensuring crisp and clear visuals for work or entertainment. Its 15.6-inch screen provides ample space without compromising on portability, perfect for presentations or extended work sessions. Connecting your devices is a breeze with the TD1655’s USB-C and HDMI ports. Effortlessly link it to your laptop, tablet, or smartphone, eliminating the need for complicated setups. Transition seamlessly between devices with ease. Adjustable viewing angles offer ergonomic comfort, reducing strain during prolonged use. Whether you’re working on a report or binge-watching your favorite shows, find the perfect angle for a comfortable and immersive experience. The ViewSonic TD1655 isn’t just a monitor; it’s a productivity companion. Its compatibility with various devices, sleek design, and user-friendly features make it an ideal choice for professionals on the move. In conclusion, the ViewSonic TD1655 Portable Monitor is a game-changer for remote work and entertainment. Experience the freedom of a flexible, high-quality display that adapts to your dynamic lifestyle. Upgrade your mobile office setup today! Specifications: Size : 16″ Touch Resolution : 60Hz full HD Ports : 2 USB-C
Samsung Monitor 27″ FHD monitor with IPS panel Screen Size (Class)27 Active Display Size (HxV) (mm)596.736 x 335.664 Aspect Ratio16:9 Panel TypeIPS Brightness (Typical)400 cd/㎡ Brightness (Min)320 cd/㎡ Contrast Ratio Static1,000:1(Typ.) Dynamic Contrast RatioMega ∞ DCR HDR(High Dynamic Range)HDR10 Resolution1,920 x 1,080 Response Time1ms (GTG) Viewing Angle (H/V)178°/178° Color SupportedMax 16.7M sRGB Coverage99% Refresh RateMax 240Hz General Feature Eco Saving PlusYes Eco Light SensorYes Eye Saver ModeYes Flicker FreeYes Windows CertificationWindows 10 FreeSyncFreeSync Premium G-SyncG-Sync Compatible Off Timer PlusYes Black EqualizerYes Low Input Lag ModeYes Virtual AIM PointYes Refresh Rate OptimizorYes Specifications: Samsung Monitor 27″ FHD monitor with IPS panel Screen Size (Class)27 Flat / CurvedFlat Active Display Size (HxV) (mm)596.736 x 335.664 Aspect Ratio16:9 Panel TypeIPS Brightness (Typical)400 cd/㎡ 3-Year Warranty
OEM-quality trackpad replacement (without flex cable) for MacBook Pro 14″ (Model A2442, 2021, M1 Pro/Max) in Silver finish—designed for precise Force Touch performance, seamless gesture control, and perfect visual integration with the original chassis. Compatible With: MacBook Pro 14-inch (2021, Model A2442) with Apple M1 Pro or M1 Max chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Intended for professional technicians who will reuse the original internal components. Finish: Silver—matches the Silver and Space Gray top/bottom case (Apple uses the same trackpad finish across both color variants for this model). Force Touch Capable: Fully supports pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—ensuring full macOS gesture and functionality support. OEM Precision: Features the same glass surface, curvature, and micro-click mechanism as Apple’s original—delivering consistent tracking accuracy and tactile response. Installation Requirements: Requires complete bottom case removal and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural integrity and sensor alignment. Recommended for certified or experienced repair professionals only.
The Alienware AW2723DF 27″ 280Hz Gaming Monitor is made for gamers who want smooth performance and sharp visuals. It features a 27-inch Fast IPS screen with QHD resolution (2560 x 1440) for detailed and vibrant images. With a 240Hz native refresh rate, overclockable to 280Hz via DisplayPort, it delivers incredibly fluid motion. Its 1ms response time keeps gameplay sharp, reducing blur during intense action. It supports AMD FreeSync Premium Pro and is G-SYNC compatible, helping to eliminate screen tearing and stuttering. This ensures a smooth experience across all types of games. The display offers 100% sRGB and 95% DCI-P3 color coverage, making colors rich and lifelike. It also supports HDR with 600-nit brightness, which improves contrast and light detail. For connectivity, it includes two HDMI 2.0 ports, one DisplayPort 1.4, four USB 3.2 Gen 1 ports, and audio out, giving you flexible connection options. A built-in USB hub helps manage your accessories with ease. The stand supports height, tilt, swivel, and pivot adjustments for ergonomic comfort. You can also mount it using VESA compatibility, giving you more control over your setup. Extra features include AlienFX lighting, Picture-in-Picture (PiP) and Picture-by-Picture (PbP) modes. These tools enhance your multitasking and customization. In short, the Alienware AW2723DF is a powerful gaming monitor that combines speed, color accuracy, and versatility for both competitive play and creative work. Specifications: Display : 27″ Fast IPS Resolution : QHD 2560 x 1440 Refresh Rate : 280Hz Response Time : 1ms
The MSI MAG 345CQRF E20 gaming monitor delivers an immersive ultrawide experience for demanding users. It features a large curved screen that improves focus and enhances gameplay. Therefore, players enjoy a wider field of view and better visual depth. Moreover, the near-4K resolution provides sharp details and clear image quality across the 34-inch panel. The Rapid VA panel ensures strong contrast and deep blacks for richer visuals. In addition, the 240Hz refresh rate enables ultra-smooth motion during fast-paced gaming. The fast response time helps reduce motion blur and improves clarity in action scenes. As a result, players gain better precision and faster reactions. Furthermore, the curved design increases comfort and keeps visuals consistent across the screen. In addition, adaptive sync technology minimizes screen tearing and stuttering for stable performance. The monitor also supports multiple input options, allowing easy connection to gaming systems and PCs. MSI MAG 345CQRF E20 monitor provides a powerful balance of speed and immersion. Specifications: 34-inch ultrawide curved display Near-4K resolution for detailed visuals 200Hz refresh rate for ultra-smooth gameplay Rapid VA panel with high contrast Adaptive sync support for tear-free performance
The ViewSonic VX2776-SH 27″ FHD 75Hz Monitor delivers clear visuals for work, entertainment, and daily use. Its Full HD resolution shows sharp details in videos, documents, and web browsing. The 27-inch screen gives wide space for multitasking and viewing comfort. This helps improve focus and productivity. Moreover, the ViewSonic VX2776-SH 27″ FHD 75Hz Monitor features a smooth 75 Hz refresh rate. This makes scrolling softer and motion more natural. Videos play smoothly with less blur. As a result, eye comfort improves during long viewing sessions. In addition, the monitor uses an IPS panel for wide viewing angles. Colors stay accurate even when viewed from the side. This helps during shared viewing and team work. The image remains bright and clear from different positions. Furthermore, the ViewSonic VX2776-SH 27″ FHD 75Hz Monitor includes eye comfort features for daily protection. The low blue light mode helps reduce eye strain. The flicker-free design supports longer use without discomfort. These features make it suitable for extended work and entertainment. Also, the monitor offers simple and flexible connectivity. It supports HDMI and VGA for easy device connection. You can connect laptops, desktops, and media players with ease. Switching sources becomes quick and smooth. In addition, the slim and modern design fits well in any space. The thin bezels give a clean and stylish look. The stand allows tilt adjustment for basic comfort. Wall mounting is also supported for flexible setups. Moreover, the large screen makes movies and shows more enjoyable. Text appears clear and easy to read. Daily tasks feel more comfortable and organized. The monitor blends well into both home and office spaces. Overall, the ViewSonic VX2776-SH 27″ FHD 75Hz Monitor delivers clarity, smooth motion, and daily comfort. It improves viewing quality for work, study, and entertainment. This monitor is a strong choice for users who want a large, smooth, and reliable display. Specifications: Display : 27″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 75Hz Response Time : 5ms
The Lenovo L22E-30 21.5″ LCD Monitor is designed to enhance your viewing experience with clear and vibrant visuals. Whether you’re working, gaming, or streaming your favorite shows, this monitor delivers exceptional quality. With a full HD resolution of 1920×1080, the Lenovo offers crisp and detailed images. Enjoy true-to-life colors and sharp details that make every task more enjoyable. The sleek and modern design of the Lenovo 21.5″ LCD Monitor complements any workspace. Its slim profile and narrow bezels provide a clean and stylish look that fits seamlessly into your setup. This monitor features a 75Hz refresh rate and a 4ms response time, ensuring smooth and lag-free performance. Whether you’re watching videos or playing games, enjoy a seamless experience without any motion blur. The Lenovo 21.5″ LCD Monitor includes multiple connectivity options, including HDMI and VGA ports. Easily connect your computer, gaming console, or other devices for versatile use. Designed with your comfort in mind, this monitor features TUV Rheinland Eye Comfort certification. Reduce eye strain during extended use with flicker-free technology and a low blue light filter. Adjust the Lenovo to your preferred viewing angle with its tilt-adjustable stand. Find the perfect position for maximum comfort, whether you’re working on a project or watching a movie. In conclusion, the Lenovo L22E-30 21.5″ LCD Monitor offers a perfect blend of style, performance, and comfort. Upgrade your workspace today and enjoy an enhanced viewing experience with this versatile and reliable monitor. Specifications: Display : 21.5″ Resolution : 1920 x 1080 Refresh Rate : 75Hz Response Rate : 4ms
The Samsung 65″ The Frame Pro 4K Samsung Vision AI Smart TV QA65LS03FWUXTW uses a 65-inch LCD panel with 3840 × 2160 4K resolution. It is designed for standard TV viewing and wall-mounted display use in living spaces. Samsung uses Vision AI and picture processing to adjust image settings in real time. As a result, brightness, contrast, and color adjust based on the scene and content type. In addition, the system supports 4K upscaling to improve lower-resolution content clarity. The display supports HDR formats for compatible content. This improves contrast between bright and dark areas. Also, motion processing reduces blur in fast scenes such as sports and action content. The TV runs Samsung 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 devices. 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 display to function as both a TV and a digital art screen when not in use. Specifications: 65-inch 4K UHD LCD panel with 3840 × 2160 resolution Vision AI image processing with real-time adjustments HDR support for compatible content Tizen OS smart platform with streaming apps HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
Arabic Language Ultra Thin Silicone Keyboard Cover for 2021 2020 MacBook Air 13 Inch A2179 and A2337 Apple M1 Chip (US Layout) with Touch ID Keyboard Accessories Protective Skin (Black) Color Black-Arabic Compatible Devices 2021 2020 MacBook Air 13.3-Inch with Apple M1 Chip (model: A2337), 2020 MacBook Air 13.3-Inch (model: A2179)2021 2020 MacBook Air 13.3-Inch with Apple M1 Chip (model: A2337), 2020 MacBook Air 13.3-Inch (model: A2179) Material Silicone Special Feature Waterproof, Dust Proof About this item [√] COMPATIBLE WITH: ONLY U.S keyboard layout–MacBook Air 13″ with Touch ID Early 2020 (model: A2179) and 2021 2020 MacBook Air 13″ with Apple M1 Chip (model: A2337). [√] 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. [√] 0.25 MM THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing. About this item [√] COMPATIBLE WITH: ONLY U.S keyboard layout–MacBook Air 13″ with Touch ID Early 2020 (model: A2179) and 2021 2020 MacBook Air 13″ with Apple M1 Chip (model: A2337). [√] 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. [√] 0.25 MM THICKNESS: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing.
