Digital Device Laptop Keyboard Compatible for MacBook AIR 13″ A1369 A1466 (MID 2011- MID 2017) US Layout 【Unique】Pls see detail compatible models in description below. 【Safe】Easy for you replace your faulty, cracked or broken keyboard ,seller remind that you should replace the keyboard in the off state. All pictures are taken from the real item, please check carefully before bidding, Replacement and high quality, Replace your faulty, cracked or broken keyboard. Each keyboard is tested before shipping Compatibility: MacBook Air 13″ A1369 Mid 2011: MC965LL/A (1.7 GHz Core i5) Mid 2011: MC966LL/A (1.7 GHz Core i5) Mid 2011: MD226LL/A (1.8 GHz Core i7) Compatibility: MacBook Air 13″ A1466 Mid 2012: MD231LL/A (1.8 GHz Core i5) Mid 2012: MD232LL/A (1.8 GHz Core i5) Mid 2012: MD232LL/A (2.0 GHz Core i7) Mid 2013: MD760LL/A (1.3 GHz Core i5) Mid 2013: MD761LL/A (1.3 GHz Core i5) Mid 2013: MD761LL/A (1.7 GHz Core i7) Early 2014: MD760LL/B (1.4 GHz Core i5) Early 2014: MD761LL/B (1.4 GHz Core i5) Early 2014: MD761LL/B (1.7 GHz Core i7) Compatibility: Early 2015: MJVE2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) Early 2015: MJVG2LL/A (1.6 GHz Core i5 or 2.2 GHz Core i7) Identifying Numbers APN #: 661-6059, 661-6635, 661-7480
The ASUS VG27AQ3A 27 inch QHD 180Hz Monitor is a 27-inch gaming display designed for smooth performance and clear image quality. It uses a Fast IPS panel that provides wide viewing angles and consistent colors for gaming and everyday use. It features a QHD (2560×1440) resolution, which delivers sharper detail than Full HD. Therefore, users get more screen space and clearer visuals for games, work, and media. The monitor supports a 180Hz refresh rate for smoother motion in fast-paced gameplay. In addition, it includes a 1ms response time to reduce motion blur during rapid actions. It also features ELMB Sync technology, which combines motion blur reduction with adaptive sync. As a result, it helps reduce screen tearing and improves overall visual clarity. Moreover, it supports adaptive sync for smoother frame synchronization with compatible GPUs. The monitor also includes built-in gaming presets and on-screen display controls for quick adjustments. Overall, the ASUS VG27AQ3A 27 inch QHD 180Hz Monitor is built for high-refresh gaming, responsive performance, and sharp visual output in a 27-inch QHD format. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate 1ms response time Fast IPS panel technology ELMB Sync for reduced motion blur 90LM0940-B01970
The AOC 24″ 180Hz Gaming Monitor is a top choice for gamers who want smooth, responsive gameplay. With its impressive 180Hz refresh rate, this monitor ensures that every action on screen is fluid and lag-free. Whether you’re playing fast-paced shooters or racing games, the high refresh rate provides an edge over competitors. Firstly this 24-inch monitor offers Full HD resolution, delivering sharp and clear images. The vibrant colors and crisp details make every game come to life. With its slim bezels, the screen offers an immersive experience, allowing you to focus fully on the action. Furthermore the AOC 24″ Gaming Monitor is equipped with AMD FreeSync technology. This reduces screen tearing and stuttering, resulting in smoother gameplay. It also features a fast response time, ensuring that every movement you make is reflected instantly on screen. Setting up the AOC 24″ 180Hz Gaming Monitor is simple. It supports both HDMI and DisplayPort connections, giving you flexibility in how you connect your gaming PC or console. The ergonomic stand allows you to adjust the height, tilt, and swivel to find the perfect viewing angle. This gaming monitor is built with durability in mind. It is designed to withstand long gaming sessions, offering comfort and stability throughout. The sleek design also complements any gaming setup, adding a modern touch to your desk. Upgrade your gaming experience with the AOC 24″ 180Hz Gaming Monitor. Its high refresh rate, fast response time, and vivid display make it an ideal choice for serious gamers. Specifications: Display : 23.8″ VA Resolution : 1920×1080 Refresh Rate : 180Hz Response Rate : 1ms
The MSI MPG 242R X60N 600Hz FHD Rapid TN Gaming Monitor delivers ultra‑fast performance and fluid visuals for competitive gamers. Its 24‑inch Full HD display combines high refresh rates with sharp clarity to make every frame feel smooth and responsive. Moreover, the blazing 600Hz refresh rate helps reduce motion blur so you can react faster in fast‑paced games and esports titles. This gaming monitor features a Rapid TN panel that offers extremely quick response times, minimizing ghosting and motion artifacts during intense action. Additionally, the crisp visuals and rich colors bring games and media to life, enhancing your overall experience. The sleek design and thin bezels provide a clean and immersive view that fits perfectly into any gaming setup. The MSI MPG 242R X60N includes multiple connectivity options, allowing easy connection to gaming PCs, consoles, and other devices. Furthermore, ergonomic adjustments help you find a comfortable viewing angle during long sessions. Therefore, it is ideal for esports players and competitive gamers who demand peak performance. Finally, it combines ultra‑fast refresh rates, responsive visuals, and versatile design for superior gaming experiences. Specifications: 24″ FHD gaming monitor 600Hz refresh rate for ultra‑smooth gameplay Rapid TN panel for quick response times Immersive visuals and sleek design Multiple connectivity options
product name : AOpen 24″ Curved LED Monitor Dive deep into the game and immerse yourself in super sharp colors with the FHD 1800R curved display. Get lag free entertainment with AMD® Radeon FreeSync™, 144Hz refresh rate, and a 4ms response time of the AOpen 24″ Curved LED Monitor. Experience more cinematic, immersive gameplay and reduced eye strain with a sleek-looking 1800R curved screen. With Radeon FreeSync™, the monitor’s framerate is synced with that of the graphics card, which eliminates screen tearing and delivers an ultra-smooth gaming experience. Enjoy clearer, more immersive gameplay without blurring thanks to a rapid response time of 4ms. Protect your eyes from unnecessary strain by utilizing BlueLightShield™ technology. Eliminate annoying screen flicker and reduce the risk of eye strain with Flickerless™ technology. AOpen 24″ Curved LED Monitor Color Black Display Size 23.6 Active Display Area(mm) 521.4×293.28 Panel type VA Max. Resolution and Refresh Rate DVI-D/DP: 1920×1080 @144Hz HDMI: 1920×1080 @120Hz Glare NA Response Time 4ms Contrast Ratio 100 million:1 max (ACM) Brightness 250(cd/m2) Viewing Angle 178°(H),178°(V) Colors 16.7M Color gamut 84% NTSC Bits 8Bit Input Signal DVI+HDMI+Displayport VESA Wall Mounting NA Speaker NA Power Supply (100 – 240 V) External Tilt -5°~ 20° Specifications: Experience more cinematic, immersive gameplay and reduced eye strain with a sleek-looking 1800R curved screen. 144Hz refresh rate, and a 4ms response time Experience ultra-smooth gameplay with faster frame rendering and lower input lag with a rapid refresh rate of 144Hz. manufacturer link 1 year warranty
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
LG 50 inch UHD AI UA85 4K Smart TV 50UA85006LA is designed for home entertainment, streaming, and everyday viewing. It features a 50-inch 4K UHD display with AI-powered image processing. Additionally, it supports HDR10 and webOS smart platform. Therefore, it delivers sharp visuals and smart functionality for modern TV use. The LG 50UA85006LA uses a 4K UHD resolution of 3840 × 2160 with Direct LED backlighting. Moreover, it is powered by the α7 AI Processor 4K Gen8 for improved upscaling and clarity. It also includes HDR10 support for better contrast and color depth. In addition, it runs webOS 25 with AI features such as voice control and content recommendations. Furthermore, the TV supports gaming features like ALLM and VRR up to 60Hz. As a result, it provides smoother gameplay for casual console users. It also includes AI sound processing for clearer dialogue and virtual surround effects. Therefore, it suits both movies and gaming in one device. Manufacturer Link Specifications: 50-inch 4K UHD (3840 × 2160) LED display α7 AI Processor 4K Gen8 for image upscaling HDR10 support for improved contrast and color webOS 25 smart TV platform with AI features AI Sound with virtual surround enhancement
The LG 27MK60TM 27″ Monitor delivers clear and immersive visuals for work, study, and entertainment.It features a large 27-inch Full HD display that shows crisp image detail and smooth video.Moreover, the slim design fits well on desks at home and in office setups. This monitor uses an IPS panel for wide viewing angles and consistent color from many positions.Additionally, anti-glare coating helps reduce reflections in bright lighting.Fast response time helps reduce blur during movies and casual gaming. The LG 27MK60TM also includes HDMI and VGA ports for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker-safe technology help reduce eye strain over time. This display suits students, professionals, and home users alike.Therefore, it supports productivity, browsing, streaming, and everyday computing.Finally, it combines solid picture quality, reliable performance, and user-friendly features for daily use. Specifications: 27″ Full HD (1920 × 1080) IPS panel HDMI + VGA ports for device connection Anti-glare coating for comfortable viewing Tilt-adjustable stand for ergonomic use Low blue light and flicker-safe eye care
Samsung Monitor LS32BG850 32″Neo G8 4K Curved UHD Display Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 Dynamic Contrast RatioMega DCR HDR(High Dynamic Range)Quantum HDR 2000 HDR10+Yes Mini LED Local DimmingYes (1,196 zones) HDR10+ GamingYes Resolution3,840 x 2,160 Response Time1ms(GTG) Viewing Angle (H/V)178°/178° Color SupportedMax 1B Color Gamut (DCI Coverage)95% (Typ) Refresh RateMax 240Hz Specifications: Specifications Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 3 year warranty
Philips 27E1N5900R 27-inch 4K monitor delivers ultra-clear visuals and modern connectivity for work and creative tasks. It focuses on high resolution, accurate colors, and USB-C convenience for clean setups. Additionally, it features a 27-inch IPS panel with 4K UHD resolution (3840 × 2160). This provides sharp detail and high pixel density, so it improves precision in design, editing, and multitasking. Moreover, it supports VESA DisplayHDR 400. As a result, it enhances brightness, contrast, and color depth for more lifelike visuals. The monitor includes USB-C connectivity with power delivery up to 65W. Therefore, it allows video, data, and charging through a single cable for a clean workspace. In addition, it uses IPS technology with wide 178° viewing angles. This ensures consistent colors and image quality from different positions. Furthermore, it supports MultiView with Picture-in-Picture and Picture-by-Picture. So it enables dual device viewing for efficient multitasking. It also includes LowBlue Mode and Flicker-Free technology. These features reduce eye strain during long working sessions. Philips 27E1N5900R 27-inch 4K monitor provides sharp visuals, flexible Specifications: 27-inch IPS panel with 3840 × 2160 4K UHD resolution DisplayHDR 400 for improved brightness and contrast USB-C with up to 65W power delivery 4ms GtG response time with wide 178° viewing angles MultiView support with PIP and PBP multitasking
A reliable pre-owned HP EliteBook 840 G3 with 14" display, 6th Gen Core i5, 8GB RAM, and 256GB SSD—offering solid business performance, security, and durability for everyday professional use.
AOC U32V11N 31.5-inch 4K monitor delivers ultra-clear visuals and large screen workspace for productivity and media use. It focuses on high resolution, strong contrast, and comfortable long-term viewing. Additionally, it features a 31.5-inch VA panel with 4K UHD resolution (3840 × 2160). This resolution provides very fine detail and more screen space, so it improves multitasking and content clarity. Moreover, it supports a 60Hz refresh rate with 4ms GtG response time. As a result, it delivers stable performance for office work, design, and general use. The monitor offers a high 3500:1 contrast ratio with HDR10 support and 10-bit color. Therefore, it enhances color depth and improves brightness and dark scene detail. In addition, it includes Picture-by-Picture and Picture-in-Picture modes. These features allow multiple input sources on one screen, so multitasking becomes more efficient. Furthermore, it includes Low Blue Mode and Flicker-Free technology. So it reduces eye strain during long working hours. The design features a three-sided frameless layout with HDMI 2.0 and DisplayPort 1.4 connectivity. It also supports VESA mounting for flexible setup options. AOC U32V11N 31.5-inch 4K monitor provides sharp visuals, strong contrast, and productivity-focused features for everyday professional use. Specifications: 31.5-inch VA panel with 3840 × 2160 4K UHD resolution 60Hz refresh rate with 4ms GtG response time HDR10 support with 10-bit color depth 3500:1 contrast ratio for deeper blacks and detail PIP and PBP multitasking with HDMI and DisplayPort connectivity
AOC 24B36X 23.8-inch 144Hz monitor delivers smooth and responsive performance for gaming, work, and daily use. It focuses on fast refresh rate, clear visuals, and reliable IPS panel quality. Additionally, it features a 23.8-inch IPS panel with Full HD resolution (1920 × 1080). This panel provides accurate colors and wide viewing angles, so it ensures consistent image quality from any position. Moreover, it supports a 144Hz refresh rate with 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced scenes and gaming. The monitor includes Adaptive Sync technology. Therefore, it reduces screen tearing and stuttering for stable and fluid performance. In addition, it supports HDR10. This improves contrast and color depth, so visuals appear more vivid and detailed. Furthermore, it includes Flicker-Free and Low Blue Light technologies. So it reduces eye strain during long working or gaming sessions. The design also features a slim three-sided frameless layout with HDMI and DisplayPort connectivity for modern setups. AOC 24B36X 23.8-inch 144Hz monitor provides a balanced combination of speed, clarity, and comfort for both gaming and productivity. Specifications: 23.8-inch IPS panel with Full HD 1920 × 1080 resolution 144Hz refresh rate for smooth visual performance 0.5ms MPRT response time for reduced motion blur Adaptive Sync for tear-free and stable visuals HDR10 with Flicker-Free and Low Blue Light features
The ASUS ROG Strix XG27ACMS 27” QHD 320Hz Gaming Monitor is a high-performance gaming display designed for ultra-smooth motion and fast response times. It uses a Fast IPS panel that delivers accurate colors and wide viewing angles for gaming and general use. It features a QHD (2560×1440) resolution, which provides sharp image detail and more screen space compared to Full HD. Therefore, it improves clarity for both competitive gaming and productivity tasks. The monitor supports a 320Hz refresh rate, which delivers extremely smooth motion in fast-paced games. In addition, it includes a very fast response time to reduce motion blur during rapid movement. It is designed for competitive gaming performance where speed and clarity matter. Moreover, it supports adaptive sync technology to reduce screen tearing and stuttering when paired with compatible GPUs. The display includes gaming-focused settings and on-screen controls for quick adjustments. As a result, users can optimize visuals based on different game types and preferences. Overall, the ASUS ROG Strix XG27ACMS is built for high refresh rate gaming, low latency performance, and sharp QHD visual quality. Specifications: 27-inch QHD (2560×1440) display 320Hz refresh rate Ultra-fast response time Fast IPS panel Adaptive sync technology
Genuine-spec keyboard replacement for MacBook Pro 14" & 16" (2021–2025, M1 Pro/Max to M4 Pro/Max)—available in US QWERTY or UK QWERTY (with £ symbol). Features Apple’s Magic Keyboard with scissor-switch mechanism, full backlighting, and precise OEM fit. Genuine-spec keyboard replacement for MacBook Pro 14″ & 16″ (2021–2025, M1 Pro/Max to M4 Pro/Max)—available in US QWERTY or UK QWERTY (with £ symbol). Features Apple’s Magic Keyboard with scissor-switch mechanism, full backlighting, and precise OEM fit. US Layout: Wide Enter key @ above 2, # above 3 Standard inverted-T arrow keys Wide Enter key @ above 2, # above 3 Standard inverted-T arrow keys UK Layout: Tall vertical Enter key £ symbol on key 3 @ accessed via Right Alt + 2 Matches Apple’s official UK regional configuration Tall vertical Enter key £ symbol on key 3 @ accessed via Right Alt + 2 Matches Apple’s official UK regional configuration Keyboard Type: Apple Magic Keyboard with scissor-switch mechanism Backlighting: Full per-key white backlight with ambient light sensor support Function Row: Full-height physical function keys (F1–F12) with macOS shortcut toggling Build Quality: OEM-grade keycaps, consistent actuation force, and precise top-case alignment
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.
Logitech G403 HERO – Ergonomic wired gaming mouse with HERO 25K sensor and ultra-precise 25,600 DPI tracking.Delivers pro-grade performance with customizable RGB, 6 buttons, and optional weight tuning. ✅ Full Specifications: Model: Logitech G403 HERO Sensor: HERO 25K Optical Sensor DPI: 100 – 25,600 DPI (adjustable with no smoothing, acceleration, or filtering) Polling Rate: 1000 Hz (1ms response time) Tracking Speed: >400 IPS Acceleration: >40G Buttons: 6 programmable buttons (including 2 side buttons) Switches: Mechanical with metal spring button tensioning (rated for 20M+ clicks) Lighting: RGB Lighting (logo and scroll wheel, customizable via G HUB) Weight: Approx. 87g (mouse only) + 10g optional weight Grip Style: Palm and claw grip support Cable: 2.1 meters (standard rubber cable) Build: Ergonomic right-handed design with rubber side grips Software: Logitech G HUB (for DPI, lighting, macros, and profiles) Compatibility: Windows 7 or later, macOS 10.11 or later, Chrome OS Onboard Memory: Yes (save DPI and button settings directly to the mouse)
WiWU Waterproof Large Capacity Minimalist Backpack Business Laptop Backpack Bags with Multi-Pockets For digital gadgets Minimalist Style Water-resistant material,Polyester Large Capacity Have Stock Size:15.6 inch
The MSI MAG 321UPX QD‑OLED 32″ 240Hz Gaming Monitor delivers stunning visuals and ultra‑fast performance for gamers and creators. It features a 32‑inch QD‑OLED panel for vibrant colors and deep blacks. Moreover, the 240Hz refresh rate makes gameplay ultra‑smooth and responsive. Also, its 0.03ms response time cuts motion blur to near zero. Because of HDMI 2.1 and DisplayPort 1.4, it supports high refresh on both PC and console. Furthermore, it offers 1440p resolution for sharp visuals without taxing your GPU. Additionally, the monitor covers 99% DCI‑P3 for rich and accurate color reproduction. Besides that, the HDR True Black 400 enhances contrast in bright and dark scenes. Also, the MSI MAG 321UPX QD‑OLED 32″ 240Hz Gaming Monitor includes HDMI VRR support for tear‑free gameplay. In addition, it features Adaptive‑Sync for smooth performance under varying frame rates. Moreover, the embeddable game mode presets help you optimize visuals with one button. Because it offers crosshair overlays and timers, it helps improve your competitive play. Also, the low‑blue light and flicker‑free technology protect your eyes during long sessions. Furthermore, the stand allows height, tilt, swivel, and pivot adjustments for ergonomic comfort. Also, the sleek design with ultra‑thin bezels gives a modern look to your setup. Moreover, built‑in 2 W speakers provide basic audio without extra clutter. Besides, the monitor includes a KVM feature for easy switching between two systems. Furthermore, connectivity covers USB‑C with 90 W power delivery for laptops. As a result, you can charge devices while transmitting video and data. Because of its USB hub, peripherals remain connected without cable swapping. Also, the 240Hz overclock mode boosts responsiveness in fast‑paced games. In addition, factory calibration ensures color accuracy out of the box. Therefore, creators benefit from both gaming performance and content work quality. Also, this monitor supports console gamers with up to 240Hz via HDMI 2.1. Furthermore, thanks to OLED’s fast refresh, motion clarity is unmatched. Moreover, HDR content truly pops with deep blacks and vibrant highlights. As a result, the MSI MAG 321UPX QD‑OLED 32″ 240Hz Gaming Monitor excels in both competitive gaming and creative work. Finally, upgrade your experience with this powerful, immersive, and feature‑rich gaming monitor. Specifications: Display : 31.5″ QD-OLED Resolution : 3840×2160 (UHD) Refresh Rate : 240Hz Response Rate : 0.03ms (GTG)
The ViewSonic XG2431 24″ 240 Hz gaming monitor delivers ultra‑smooth motion for fast‑paced games and everyday use. Its Full HD panel shows sharp images and crisp text, making work, media, and gameplay easy to see. In addition, the 240 Hz refresh rate significantly reduces motion blur, helping you react faster in competitive games. Furthermore, the monitor includes adaptive sync support to reduce screen tearing and keep visuals smooth during intense scenes. It also offers a quick response time to cut down on ghosting and keep action sharp. In addition, the ergonomic stand lets you adjust tilt and height for comfortable viewing during long sessions. Therefore, this monitor fits both gaming setups and work desks with ease. Overall, the ViewSonic XG2431 combines fast motion, clear visuals, and solid connectivity in a reliable 24″ design. Specifications: 24″ Full HD display with clear, crisp visuals 240 Hz refresh rate for ultra‑smooth motion Adaptive sync to reduce screen tearing Fast response time for sharp action Adjustable ergonomic stand and solid connectivity
