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
Meetion Usb Computer 2.4GHz Wireless Mouse, Black | R545 Meetion Usb Computer 2.4GHz Wireless Mouse, Black | R545 Comfortable grip feeling. Stable Wireless. 2.4g wireless transmission technology effective working distance up to 10M. Automatic sleep power saving. AA test battery included.
The AOC 24″ 100Hz Monitor offers a seamless and smooth viewing experience for all your needs. Whether you’re gaming, working, or enjoying multimedia, this monitor delivers crisp visuals and smooth performance. With a 100Hz refresh rate, the AOC 24″ Monitor ensures fluid motion and reduces screen tearing. This makes it an excellent choice for gamers who demand fast response times and smooth action. The 24-inch display offers Full HD resolution, providing vibrant colors and sharp details. From watching movies to editing documents, the AOC 24″ Monitor delivers high-quality visuals for every task. Designed with user comfort in mind, the AOC Monitor comes with flicker-free technology and a low blue light mode. This helps reduce eye strain during extended use, ensuring a comfortable viewing experience. The slim, modern design of the AOC 24″ Monitor makes it a stylish addition to any workspace or gaming setup. Its compact size fits easily on most desks, while still offering an immersive viewing experience. The AOC Monitor also includes multiple connectivity options, such as HDMI and VGA ports. This allows easy connection to a wide range of devices, including PCs, gaming consoles, and more. In conclusion, the AOC 24″ 100Hz Monitor combines a fast refresh rate, stunning visuals, and user-friendly design. Whether for gaming, work, or entertainment, this monitor provides the quality and performance you need for everyday tasks. Specifications: Display : 24″ V A Resolution : 1920 × 1080 (FHD) Refresh Rate : 100Hz Response Rate : 1ms
MacBook Pro 15″ Top case A1990 2018 2019 MacBook Pro 15″ A1990 MacBookPro15,1 Mid 2018: MR932LL/A or MR962LL/A (2.2 GHz Core i7) MacBookPro15,1 Mid 2018: MR942LL/A or MR972LL/A (2.6 GHz Core i7) MacBookPro15,3 Mid 2018: BTO/CTO (2.6 GHz Core i7) MacBookPro15,3 Mid 2018: BTO/CTO (2.9 GHz Core i9)
Philips 221V8LB/67 22-inch Full HD monitor delivers clear and reliable performance for everyday computing. It focuses on sharp visuals, eye comfort, and simple connectivity for home and office use. Additionally, it features a 21.5-inch VA panel with Full HD resolution (1920 × 1080). This provides clear detail and strong contrast, so it improves readability and general viewing comfort. Moreover, it supports up to a 100Hz refresh rate (overclocked) with smooth visual output. As a result, it reduces flicker and makes scrolling and video playback more fluid. The monitor includes a 4ms response time (GtG). Therefore, it handles everyday motion smoothly for browsing, office work, and media use. In addition, it comes with Adaptive Sync support. This helps reduce screen tearing for more stable visuals during dynamic content. Furthermore, it includes LowBlue Mode and Flicker-Free technology. So it reduces eye strain during long hours of use. It also provides HDMI and VGA connectivity with a slim, tilt-adjustable design. This ensures compatibility with modern and older devices while keeping setup simple. Philips 221V8LB/67 22-inch Full HD monitor delivers reliable performance, comfortable viewing, and essential features for daily productivity. Specifications: 21.5-inch VA panel with Full HD 1920 × 1080 resolution Up to 100Hz refresh rate for smoother visuals 4ms GtG response time for stable motion Adaptive Sync support for reduced tearing LowBlue Mode and Flicker-Free eye comfort technology
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
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 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
The Lenovo Legion 24″ 320Hz FHD Gaming Monitor is designed for competitive gamers seeking ultra-smooth visuals. First, its 1920 × 1080 Full HD resolution delivers sharp and clear images for fast-paced games. The 320Hz refresh rate ensures fluid motion and reduced screen tearing. In addition, the 0.5ms response time minimizes ghosting and motion blur. Moreover, adaptive sync technology enhances smooth gameplay across various titles. The sleek slim-bezel design fits seamlessly into any gaming setup. Furthermore, its ergonomic stand allows height and tilt adjustments for comfortable long gaming sessions. Finally, the Lenovo Legion 24″ 320Hz FHD Gaming Monitor combines high refresh performance, fast response, and adaptive sync in one competitive display. Overall, it is ideal for esports players and serious gaming enthusiasts. Specifications: 24″ Full HD 1920 × 1080 resolution 320Hz ultra-fast refresh rate 0.5ms response time for minimal ghosting Adaptive sync for smooth gameplay Ergonomic stand with height and tilt adjustment
Mini Slim Wired USB Numeric Digital Keyboard Number Pad (18 Keys) Numeric Keypad for Laptop,18 Key USB Keypad, Numerical Keypad Wired Portable Ultra Slim Mini Numpad External Numbers Keyboard Pad for Laptop PC Computer Desktop Surface pro Notebook
Looking for a reliable monitor that combines performance and affordability? The BenQ GW2780 monitor might be your perfect choice, offering an array of features to enhance your visual experience. To begin with, the GW2780 boasts a sleek design that seamlessly blends with any workspace. Its slim bezels create a borderless display, providing an immersive viewing experience for work or entertainment. Equipped with a 27-inch Full HD display, the monitor delivers crisp and clear visuals. Whether you’re working on spreadsheets, watching videos, or gaming, the GW2780 ensures sharp images and vibrant colors. The In-Plane Switching (IPS) technology ensures wide viewing angles, allowing you to enjoy consistent colors and brightness from any angle. Say goodbye to distorted colors and limited viewing positions. Eye strain is a thing of the past with the BenQ GW2780. The Low Blue Light technology reduces harmful blue light emissions, and the flicker-free feature eliminates screen flickering, providing a comfortable viewing experience for extended periods. Connectivity is a breeze with the multiple ports, including HDMI and VGA. Easily link your monitor to various devices such as laptops, desktops, and gaming consoles. The user-friendly design ensures a hassle-free setup. The BenQ GW2780 monitor not only prioritizes performance but also energy efficiency. Energy Star certification reflects its commitment to reducing environmental impact, making it an eco-friendly choice. In summary, the BenQ GW2780 monitor offers a winning combination of affordability and top-notch features. Elevate your viewing experience with this reliable display solution that caters to your entertainment and productivity needs effortlessly. Specifications: Display : 27″ IPS Resolution : 1920×1080 IPS Response Time : 5ms Refresh Rate : 60hz
Aoc Agon 24-inch WQHD 165Hz Gaming Monitor Product Details Size: 23.8 inches. Panel Type: TN (16.7 Million Colours with 170/160 º viewing angles). Resolution: 2K / WQHD (2560x1440p). Refresh Rate: 165Hz. Respomse Time: 1 ms (GTG). Aspect Ratio: 16:9. Sync Technology: Nvidia G-Sync. Brightness: 350 cd/m2. Contrast Ratio: Static: 1000:1, Dynamic: 50M:1 Anti-Glare 3H hard coating with an Ultra Narrow bezel. Adjustable Height within a 13cm range. Tilt Adjustment: -3.5° ~ +21.5°. Swivel: -20° ~ +20°. Pivots up to 90°. VESA Wall Mounting : 100x100mm. (x2) 2W built-in speakers with microphone. Ports: (x1) HDMI 1.4 (x1) DisplayPort 1.2 (x4) USB-A 3.0 (x1) USB-B (x1) 3.5mm audio jack Dimensions (incl base): 55.5 x 21.3 x 49 cm. Lowblue Light mode: Protection from eye strain without sacrificing color composition. Specifications: Aoc Agon 24-inch WQHD 165Hz Gaming Monitor Size: 23.8 inches. Panel Type: TN (16.7 Million Colours with 170/160 º viewing angles). Resolution: 2K / WQHD (2560x1440p). Refresh Rate: 165Hz.
The LG UltraWide 34″ 60Hz Curved Monitor offers an expansive 21:9 aspect ratio, providing ample screen space for multitasking and immersive viewing. Its 3440 x 1440 resolution delivers sharp and detailed visuals, enhancing both productivity and entertainment experiences. Featuring a curved IPS display, this monitor ensures consistent color accuracy and wide viewing angles, making it ideal for creative professionals and gamers alike. The 60Hz refresh rate provides smooth motion, suitable for everyday tasks and casual gaming. Equipped with HDR10 support, the monitor enhances contrast and color range, bringing visuals to life with greater depth and realism. The sRGB 99% color gamut ensures vibrant and accurate colors, essential for photo and video editing. Connectivity options include USB Type-C, HDMI, and DisplayPort, allowing seamless integration with various devices. The USB Type-C port supports data transfer and power delivery, simplifying your workspace setup. The ergonomic stand offers height and tilt adjustments, enabling you to customize the monitor’s position for optimal comfort. Its sleek, virtually borderless design adds a modern touch to any workspace. In summary, the LG UltraWide 34″ 60Hz Curved Monitor combines high-resolution visuals, color accuracy, and ergonomic design, making it a versatile choice for professionals and enthusiasts. Specifications: Display : 34″ IPS Resolution : 3440 x 1440 QHD Refresh Rate : 60Hz Response Rate : 5ms GTG Curvature : 3800R
Are you in search of a high-performance gaming monitor? Look no further! The MSI MPG 274URF QD 27″ 160Hz gaming monitor is here to elevate your gaming experience. This monitor combines cutting-edge technology with sleek design to provide an unbeatable gaming setup. Firstly, let’s talk about the impressive display. The 27-inch screen size offers ample viewing space, making every detail pop. The Quantum Dot technology ensures vibrant and accurate colors, enhancing the overall visual experience. In addition, the 160Hz refresh rate is a game-changer. It ensures smooth and fluid motion, reducing blur and lag. This is essential for fast-paced games where every millisecond counts. With the MSI MPG 274URF QD, you can stay ahead of the competition. Moreover, the 1ms response time minimizes input lag. This allows for quick reactions and precise movements, crucial for competitive gaming. Every action you take will be instantaneously reflected on the screen, providing a seamless gaming experience. Furthermore, this gaming monitor supports HDR, delivering stunning contrast and brightness. You will enjoy deeper blacks and brighter whites, bringing your games to life. The detailed shadows and highlights will immerse you in the game world like never before. Comfort is also a key feature of the MSI MPG 274URF QD. The ergonomic design allows you to adjust the height, tilt, and swivel to find the perfect viewing angle. This ensures you can game comfortably for hours without straining your neck or eyes. Additionally, the monitor comes with multiple connectivity options. Easily connect your PC, console, or other devices with the available HDMI, DisplayPort, and USB ports. This versatility makes it a great addition to any gaming setup. In conclusion, the MSI MPG 274URF QD 27″ 160Hz gaming monitor offers superior performance and stunning visuals. Whether you’re a casual gamer or a professional, this monitor will enhance your gaming experience. Upgrade your setup today and enjoy the best in gaming technology! Specifications: Display : 27″ Rapid IPS Resolution : 3840×2160 (UHD) Refresh Rate : 160Hz Response Rate : 0.5ms
RK ROYAL KLUDGE RK918 Wired Mechanical Keyboard, RGB Backlit Gaming Keyboard with Large LED Surrounding Side Lamp, Full Size 108 Keys Mechanical 100% Anti-Ghosting Computer Keyboard, Red Switch White About this item 【Full Size 108 Keys & Anti Ghosting Mechanical Keyboard】: 100% percent layout 108 key Mechanical keyboard. All keys do not conflict, ensure that every click is registered, and greatly improve the gaming and typing experience. Press FN and F1~F12 keys could quickly activate the multi-function keys, running for what you demand immediately. It is a great choice as a Christmas gift 【RGB Backlit & LED Surrounding Side Lamp】: The RGB backlight keyboard has more than 20 backlight modes, including interactive backlight, breathing backlight modes, dynamic RGB mode, etc. Besides, there are large LED surrounding side lamps. These all will give you more enjoyable when you gaming or typing at night 【Mechanical Red Switches & Double Shot Keycaps】: Offering linear and quiet typing feedback, smooth top-to-bottom actuation travel distance with shallow sound. If you prefer a quiet environment and a small operating force, red switches are the right choice. Double shot keycap type is produced when two layers of plastic are molded into each other. No printing is necessary. The result is a key legend that will never fade or chip off 【Wide Compatibility & Software Support】: Compatible with Windows, Mac, Linus, etc. The wired connection enables stable transmission without worrying about the impact of the signal. Through RK software, you can customize RGB mode and color, redefine key function, customize macros, and set gaming mode 【Professional and Reliable Service】: RK ROYAL KLUDGE has a professional service team. Over the years, we have kept bringing high-quality products and services to customers, so that we have gained the love and trust of many customers. If you have any questions, you can contact us anytime. RK ROYAL KLUDGE will spare no effort to provide every customer with the best service within 24 hours.
AOC 27G4 27-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gameplay. It focuses on smooth motion, low latency, and reliable visual clarity for daily gaming. Additionally, it features a 27-inch IPS panel with Full HD resolution (1920 × 1080). This panel provides consistent colors and wide viewing angles, so it improves both gaming and general use. Moreover, the monitor supports a 180Hz refresh rate with 1ms GtG response time. As a result, it delivers smooth motion and reduces blur during fast-paced scenes. The display also includes 0.5ms MPRT technology. Therefore, it minimizes ghosting and improves motion clarity in competitive games. In addition, it supports Adaptive Sync and G-SYNC compatibility. This reduces screen tearing and stuttering, so gameplay remains stable and responsive. Furthermore, it includes HDR10 support and Low Input Lag mode. These features enhance image quality and improve reaction speed during gameplay. The design features a three-sided frameless layout with HDMI and DisplayPort connectivity. It also supports VESA mounting for flexible setup options. AOC 27G4 27-inch 180Hz gaming monitor provides smooth performance, fast response, and essential features for competitive and everyday gaming. Specifications: 27-inch IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 1ms GtG response time with 0.5ms MPRT support Adaptive Sync and G-SYNC compatible technology HDR10 support with low input lag mode
HUAWEI IdeaHub S3 IHS3-86SA is an 86-inch collaboration device designed for modern meeting spaces. It delivers 4K UHD visuals and a dual-lens camera with five-times zoom, ensuring every participant sees clearly. Furthermore, it supports interactive meetings with smart annotation and AI-powered tools. The display features infrared multi-touch with up to 32 touch points and 16ms latency. Therefore, handwriting and annotations respond naturally and smoothly. In addition, the D-LED 86-inch panel runs at 60Hz, offering vibrant and stable visuals for presentations and content sharing. Audio performance comes from a 24-microphone array and a 70W speaker system with 15-meter pickup. Consequently, everyone hears clearly even in large rooms. HarmonyOS runs natively, and you can integrate Windows via OPS for flexible usage. Moreover, the device provides smart whiteboard tools, AI Vision Engine, Smart Control 2.0, and 9-pane projection. These features make comparing materials effortless. In addition, connectivity options include Wi-Fi 6, Bluetooth, NFC, HDMI, USB, and Type-C ports, which allow seamless collaboration. As a result, HUAWEI IdeaHub S3 IHS3-86SA boosts productivity and engagement in professional environments. Specifications: 86-inch 4K UHD display with dual-lens 4K camera and 5x zoom Supports up to 32 touch points with 16ms latency 24-mic array and 70W speaker system with 15-meter pickup Smart whiteboard, AI Vision Engine, Smart Control 2.0, and 9-pane projection 8-core CPU, 12GB RAM, 128GB storage, Wi-Fi 6, Bluetooth, and NFC
Professional Grade K9 Dual Wireless Lavalier Mic For Android Smartphones Type C K9 Wireless Collar Microphone For YouTube Voice Recording Live Videos Vlog ASMR Podcast & Interview Expert Features 【Wireless Lavalier Microphone (2 Pcs) 】: Ideal for USB-C, iPhone, Smartphones, iPads and Macs with USB-C ports, Android devices, and laptops with USportsPort | Auto Noise Reduction. 【Dual Microphone Set】:Includes two wireless Lavalier microphones for versatile audio recording options. Simply plug the microphone into the USB port for instant connectivity and ease of use. 【Wide Compatibility】:Ideal for use with USB-C devices, iPhones, smartphones, iPads, Macs, Android devices, and laptops with USB-C ports, ensuring compatibility across various platforms. 【Auto Noise Reduction】: Features built-in noise reduction technology to minimize background noise and ensure clear and crisp audio. 【Long Battery Life】:Powered by lithium-ion batteries, providing reliable performance for extended recording sessions. 【Versatile Applications】:Suitable for a wide range of applications, including vlogging, interviews, presentations, podcasting, and more.
The ViewSonic VA24D1-H 24″ FHD 100Hz Monitor delivers smooth and clear visuals for work, gaming, and daily use. It offers Full HD resolution with bright colors. The screen shows sharp details that improve movies, documents, and web browsing. This makes your viewing experience more comfortable. Moreover, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes a fast 100Hz refresh rate. This feature reduces motion blur and screen tearing. It makes gaming and fast scenes much smoother. It also improves general tasks like scrolling and tracking movement. In addition, the monitor features HDMI and VGA connections. These ports make setup quick and simple. You can connect laptops, desktops, and media players easily. This gives you strong flexibility for work and entertainment. Furthermore, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor includes important eye-care technology. The flicker-free screen helps reduce eye strain. The blue light filter adds more comfort during long hours. This makes the monitor ideal for study, office work, and long sessions. Also, the slim bezel design gives the monitor a modern and clean look. It fits well in home and office spaces. The thin edges help create smooth multi-monitor setups. This improves both productivity and style. The stand on the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers stable support. You can tilt the screen to find a comfortable angle. This helps you maintain a healthy posture. It also improves your overall viewing comfort. Overall, the ViewSonic VA24D1-H 24″ FHD 100Hz Monitor offers clarity, smooth motion, and strong comfort. It works well for gaming, streaming, office tasks, and daily use. It is a reliable monitor for users who want simple performance and modern design. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 100Hz Response Time : 5ms
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
