The MSI PRO MP245PG E14 monitor delivers smooth performance for work and daily tasks. It features a 24-inch Full HD display that provides clear visuals and accurate colors. Therefore, users can handle office applications, browsing, and content viewing with ease. Moreover, the 144Hz refresh rate ensures smoother motion during fast screen activity. The 1ms response time helps reduce motion blur for better clarity. As a result, users enjoy a more responsive and comfortable viewing experience throughout the day. In addition, the IPS panel maintains consistent colors across wide viewing angles. This allows multiple users to view the screen without distortion. Furthermore, eye care features help reduce strain during long working hours. The monitor also includes essential connectivity options for flexible device integration. Consequently, the MSI PRO MP245PG E14 monitor supports both productivity and smooth visual performance in any workspace. MSI PRO MP245PG E14 monitor offers reliable display quality and enhanced smoothness for modern business environments. Specifications: 24-inch Full HD (1920 × 1080) IPS display 144Hz refresh rate for smoother motion 1ms response time for reduced blur Wide viewing angles with consistent color Eye care features for comfortable use
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
The ASUS VG34VQL3A Curved Gaming Monitor, 34″ WQHD delivers immersive gaming and smooth visuals for modern PC players. It is designed for gamers, creators, and anyone who wants a wider view and fast performance. First, this monitor features a 34-inch Ultra-Wide QHD (3440 × 1440) curved display with a 1500R curvature that wraps around your vision and feels more natural. As a result, games, movies, and multitasking feel more engaging. In addition, the ASUS VG34VQL3A supports a high refresh rate up to 180 Hz (OC) and a 1 ms response time (GTG) for smooth motion and minimal blur. This helps you react faster in fast-paced games. This model also uses AMD FreeSync Premium Pro for adaptive sync technology that reduces screen tearing and stuttering in supported games. Therefore, visuals stay smooth and clear with compatible GPUs. The screen covers 125% of the sRGB color gamut and supports DisplayHDR™ 400 with HDR10, giving bright highlights and rich contrast for vivid colors in HDR content. Thus, games and movies look more dynamic. Because the panel uses VA technology, it delivers deep contrast and solid black levels that make details pop in dark scenes. Also, the anti-glare coating helps reduce reflections in bright rooms. The ASUS VG34VQL3A includes built-in features like Picture-in-Picture (PiP), Picture-by-Picture (PbP), ASUS GamePlus, and low blue light modes for added convenience and comfort. This makes it versatile for work and play. Connectivity options include DisplayPort 1.4, HDMI 2.0, and USB 3.2 Gen 2 hub ports to link to PCs, laptops, and peripherals easily. As a result, setup stays flexible for many systems. The ergonomic stand offers height, tilt, and swivel adjustments plus VESA mount support, so you can position the monitor comfortably. This helps reduce neck and eye strain during long sessions. In conclusion, the ASUS VG34VQL3A Curved Gaming Monitor, 34″ WQHD combines speed, clarity, and wide ultrawide visuals. Overall, it is a strong choice for immersive gaming and productivity. Specifications: Display :34″ VA Panel, 1500R Curved, Anti-Glare. Resolution :Ultrawide QHD (3440 x 1440). Refresh Rate : Up to 180Hz (OC) for smooth motion. Response Time : 1ms (GTG) for reduced ghosting. HDR: Display HDR 400 with HDR10 support for enhanced contrast.
The HUAWEI IdeaHub B2-65 is a 65-inch intelligent collaboration display designed for meetings, classrooms, and hybrid workspaces. It combines a 4K UHD interactive touchscreen with built-in conferencing tools to support smooth communication. Additionally, it enables writing, video meetings, and wireless sharing in one integrated device. Moreover, it features a 4K resolution screen with zero-gap bonding. Therefore, it delivers clear visuals and smooth touch interaction for presentations and collaboration. Furthermore, Huawei equips it with a 4K camera, 6-microphone array, and 30W speakers. So, it provides clear video, strong voice pickup, and balanced sound for meetings up to about 10 meters. In addition, it supports dual Wi-Fi connectivity and wireless projection. Therefore, users can share content easily from laptops, tablets, and phones without cables. It also includes an intelligent whiteboard for real-time writing and collaboration. Also, it supports both Android and optional Windows OPS system integration. So, it fits different office and enterprise IT setups. Overall, the Huawei IdeaHub B2-65 delivers a complete all-in-one collaboration solution with strong audio-visual performance, smart connectivity, and interactive meeting tools. Specifications: 65-inch 4K UHD interactive touchscreen 4K camera with intelligent conferencing support 6-microphone array with 10m pickup range Wireless projection and dual Wi-Fi support Integrated whiteboard for collaboration
HyperX Pulsefire Core (4P4F8AA) – RGB gaming mouse with PixArt sensor, 6,200 DPI, and 7 programmable buttons.Lightweight, ergonomic design perfect for gamers seeking precision and durability. Model: HyperX Pulsefire Core (4P4F8AA) Sensor Type: PixArt PAW3327 Optical Sensor DPI Range: 800 – 6,200 DPI (adjustable in software) Polling Rate: 1000 Hz Tracking Speed: Up to 220 IPS Acceleration: 30G Buttons: 7 programmable buttons Switch Type: Durable switches rated for up to 20 million clicks Lighting: Customizable RGB lighting (logo zone) Grip Style: Palm or claw grip Design: Ergonomic, right-handed shape with textured side grips Weight: Approx. 87g (without cable) Cable Length: 1.8 meters (braided USB cable) Software Support: HyperX NGENUITY for DPI, RGB, and button customization Compatibility: Windows 10, 8.1, 8, 7
BATTERY DELL J60J5 7.6V 55Wh Battery Compatible with Dell Latitude E7470 E7270 7470 7270 451-BBSY 451-BBSX 451-BBSU WYWJ2 R1V85 MC34Y 242WD PDNM2 1W2Y2 GG4FM F1KTM NJJ2H 5F08V P61G001 P26S001 J6OJ5 Laptop Battery About this item SPECIFICATION : Model Name: Standard Rechargeable Li-ion battery Type J60J5 ; Device Type: Notebook battery; Battery Type: Lithium ion; Voltage : 7.6V; Capacity : 55Wh; Cells: 4-cell; Dimensions about 9.37×4.17×0.24in; Weight: About 11OZ / 0.69lb; Condition : 100 % New; Packages includes: 1PC J6OJ5 laptop battery(with free screwdrivers for easy installation) COMPATIBILITY : 7.6V 55 WHr 4-Cell Lithium-Ion battery replace manufacturer part J60J5 J6OJ5 451-BBSX 451-BBSY 451-BBSU R1V85 WYWJ2 MC34Y 0MC34Y 242WD PDNM2 1W2Y2 0F1KTM F1KTM NJJ2H GG4FM 5F08V P61G P61G001 P26S P26S001 battery designed for Dell Latitude E7270 Latitude E7470 7270 7470 Series laptop. SECURITY: ECHEER 55Wh 4-cell J60J5 batteries have passed strict intelligent detection, such as short circuit protection, over-voltage protection, discharge protection, and over-current protection, which is very important for the battery’s use cycle and safety. Also, CE, FCC, and RoHS are certificated. Every one of our replacement notebook batteries is tested to meet OEM specifications.
The MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor delivers an immersive gaming experience. With a fast 280Hz refresh rate, it ensures ultra-smooth gameplay. Say goodbye to motion blur and enjoy crystal-clear visuals. This monitor features a 1500R curved design that enhances immersion. It wraps around your field of vision, making gaming more engaging. Whether you’re playing fast-paced shooters or open-world adventures, the curved screen provides an edge. The MSI MAG 276CXF has a Full HD resolution for sharp and vibrant images. It supports a wide color gamut, offering lifelike colors and rich contrast. Enjoy every detail in your favorite games and multimedia content. With a lightning-fast 1ms response time, ghosting and lag are minimized. This ensures smooth transitions and precise actions, giving you a competitive advantage. The monitor is also compatible with AMD FreeSync Premium, which eliminates screen tearing and stuttering. Connectivity is easy with multiple ports, including HDMI and DisplayPort. You can easily connect your PC, gaming console, or other devices. The MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor is designed for long gaming sessions. It includes eye-care technology, reducing blue light and flicker to minimize eye strain. Play longer without discomfort. With a stylish and modern design, this monitor enhances any gaming setup. Its slim bezels offer an immersive multi-monitor experience. Whether you’re a casual gamer or an esports enthusiast, this monitor delivers outstanding performance. Upgrade your gaming with the MSI MAG 276CXF 27″ 280Hz Curved Gaming Monitor today. Specifications: Display : 27″ Rapid VA Resolution : 1920×1080 (FHD) Curvature : 1500R Refresh Rate : 280Hz Response Rate :0.5ms
90W AC Charger Fit for Acer Aspire Z 24 Z24-890 Z24-880-UR13 Z22-780 Z24-890-UR11 Z24-890-UA91 Z24-890-UR13 Z24-890-UR16 Aspire 7 A715-76-765N A715-76-73L8 Laptop Adapter Power Supply Cord
LG 35 inch Curved UltraWide QHD Monitor 35WN65C-B is built for multitasking, productivity, and immersive viewing. It features a 35-inch curved VA display with UltraWide QHD resolution for a wider workspace. Additionally, it supports HDR10 and sRGB 99% color coverage. Therefore, it works well for office tasks, content creation, and entertainment use. The LG 35 inch Curved UltraWide QHD Monitor 35WN65C-B delivers 3440 x 1440 resolution with a 100Hz refresh rate and 5ms response time. Moreover, it includes AMD FreeSync support for smoother visuals during fast-moving content. The monitor provides USB Type-C, two HDMI ports, one DisplayPort, and headphone out for flexible connectivity. In addition, the stand supports height and tilt adjustment for better comfort during long sessions. Furthermore, the curved screen improves immersion while the UltraWide format helps users manage multiple windows at once. As a result, it improves workflow and viewing comfort in both work and entertainment setups. It also supports VESA wall mounting for flexible desk arrangement. Specifications: 35-inch curved VA UltraWide QHD display 3440 x 1440 resolution with 100Hz refresh rate HDR10 support with sRGB 99% color coverage USB Type-C, HDMI, and DisplayPort connectivity Height and tilt adjustable stand
Genuine-spec US layout keyboard replacement for MacBook Pro 15″ (Models A1706 and A1707, 2016–2017)—featuring Apple’s second-generation Butterfly mechanism, backlighting, and full OEM compatibility for professional-grade repairs. Compatible With: MacBook Pro 15″ (2016, Model A1707) MacBook Pro 15″ (2017, Model A1706) Both models include Touch Bar and are powered by Intel Core i7/i9 processors. MacBook Pro 15″ (2016, Model A1707) MacBook Pro 15″ (2017, Model A1706) Both models include Touch Bar and are powered by Intel Core i7/i9 processors. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (mapped to Touch Bar). Keyboard Type: Apple’s 2nd-generation Butterfly mechanism—thinner profile with reduced travel; known for sensitivity but requires careful handling. Integrated Features: Backlit keys, ambient light sensor support, and original ribbon cable connector matching Apple’s design for direct logic board attachment. Build & Fit: Precision-engineered to align flush with the top case—ensures consistent key height and tactile response when properly installed. Installation Note: The keyboard is glued into the top case and must be carefully removed and re-adhered. Requires full disassembly of display, battery, and internal components. Recommended for experienced technicians only.
The Samsung 55″ OLED 4K S90F Vision AI Smart TV | QA55S90FAUXTW delivers strong picture quality with OLED technology. It produces deep blacks, bright colors, and high contrast. As a result, movies, sports, and games look more realistic and detailed. The 55-inch size also works well in most rooms while still giving an immersive view. Samsung Vision AI improves both picture and sound in real time. It analyzes what you are watching and adjusts settings automatically. Therefore, brightness, color, and sharpness stay balanced in every scene. In addition, AI upscaling improves lower-resolution content and brings it closer to 4K quality. The OLED panel uses self-lit pixels, so each part of the screen is controlled precisely. This improves dark scenes and keeps bright areas clear. HDR also increases contrast and color depth. As a result, images look more natural and dynamic. Fast motion in sports and action scenes also appears smoother and clearer. The TV runs on Samsung’s Smart TV system, which gives access to streaming apps, games, and smart home control. It is simple to use and responds quickly. In addition, the slim design and thin borders make the screen look modern and clean in any space. Overall, this Samsung OLED TV combines strong picture quality, smart AI features, and easy connectivity. It is designed for users who want a high-quality and smooth entertainment experience at home. Specifications: OLED technology delivers deep blacks, vivid colors, and exceptional contrast Vision AI optimizes picture and sound quality in real time 4K UHD resolution provides sharp and highly detailed visuals HDR support enhances brightness, contrast, and color performance Smart TV platform offers streaming apps and smart home connectivity
The Alienware AW2725DF 27″ 360Hz OLED Gaming Monitor is built for gamers who demand top performance and rich visuals. It features a 27-inch QHD (2560 x 1440) display, offering clear detail and vibrant colors. This monitor uses a Quantum Dot OLED panel, which delivers deep blacks, bright highlights, and true-to-life colors. With a 360Hz refresh rate and 0.03ms response time, motion is silky smooth and incredibly sharp. It covers 99.3% of the DCI-P3 color range, making every game look vivid and accurate. It also supports HDR with DisplayHDR True Black 400, enhancing contrast and brightness in dark scenes. For connections, it offers two DisplayPort 1.4, one HDMI 2.1, four USB 3.2 Gen 1 ports, and a USB-C port with 15W power delivery. This gives you plenty of options for plugging in accessories and charging devices. The stand supports height, tilt, swivel, and pivot adjustments, so you can game comfortably for hours. It’s also VESA mount compatible, allowing flexible setups to fit your space. Extra features include AlienFX lighting for customization and gaming overlays that offer helpful tools during play. A built-in USB hub and cable management system help keep your desk neat. In short, the Alienware AW2725DF combines a fast OLED panel, ultra-high refresh rate, and stunning color accuracy, making it perfect for competitive and immersive gaming. Specifications: Display : 27″ QD-OLED Resolution : QHD 2560 x 1440 Refresh Rate : 360Hz Response Time : 0.03ms
Are you in search of the ultimate gaming monitor to enhance your gaming experience? Look no further than the MSI G274QPX 27″ 240Hz Gaming Monitor. Packed with advanced features, this monitor delivers smooth and immersive gameplay. Transitioning to its core, the MSI G274QPX boasts a lightning-fast 240Hz refresh rate, ensuring ultra-smooth motion and fluid gameplay. Whether you’re racing through virtual worlds or engaging in intense firefights, every moment is captured with precision and clarity. Its spacious 27-inch screen provides ample room for immersive gaming sessions, allowing you to see more of the action without compromising on detail. Plus, with its Full HD resolution, you’ll enjoy crisp and sharp visuals that bring your games to life. Furthermore, the MSI G274QPX features Adaptive-Sync technology, reducing screen tearing and stuttering for a seamless gaming experience. Say goodbye to distractions and hello to uninterrupted gameplay. Connectivity is key, and this monitor offers a range of ports including HDMI and DisplayPort, ensuring compatibility with your favorite gaming devices. Whether you’re connecting your PC, console, or other peripherals, you’ll experience hassle-free connectivity. Transitioning to its design, the MSI G274QPX sports a sleek and modern aesthetic that adds a touch of style to any gaming setup. Its slim bezels maximize screen real estate, allowing you to immerse yourself fully in the game without distractions. In conclusion, the MSI G274QPX 27″ 240Hz Gaming Monitor is the perfect choice for gamers seeking unparalleled performance and immersion. With its lightning-fast refresh rate, crisp visuals, and seamless connectivity, it’s time to elevate your gaming experience to new heights. Specifications: Display : 27″ Rapid IPS Resolution : 2560×1440 (WQHD) Refresh Rate : 240Hz Response Rate : 1ms GtG
Experience premium mobility and intuitive control with the pre-owned ThinkPad T490s. Featuring a powerful Intel Core i5 8th Gen processor, 16GB RAM, and a 256GB NVMe SSD, this ultra-slim professional laptop stands out with its responsive FHD Touchscreen for a more interactive and efficient workflow.
Samsung Lebanon 32″ Flat The Samsung Lebanon 32″ Flat Everything you need is right in your screen. Watch, work and chat – all without connecting a separate PC – with Smart Monitor. Your favorite content, productivity and video call apps are built-in. for a simpler and more stylish desk setup that’s a joy to use every time. Smart TV Experience Effortless entertainment. Enjoy Netflix, YouTube and other streaming services by simply connecting the monitor to WiFi. Samsung TV Plus also offers free live and on-demand content with no downloads or sign-up needed. while Universal Guide provides personalized content recommendations. Workspace Experience PC-less. Browse the web, edit documents and work on projects, all without the need for a separate PC. With new Workmode, you can also remotely access another PC, use Microsoft 365 programs . and even connect to Samsung mobile devices with Samsung DeX for seamless working. SlimFit camera Jump into any conversation. The SlimFit camera with tilt functionality allows you to create the perfect angle while using. your favorite video call apps like Google Duo, which can be accessed directly through the monitor. Plus, the camera cover and option to fully detach always protect your privacy. IoT Hub Turn your Smart Monitor into a control center for the home by connecting it to your IoT home products with SmartThings. Relax by turning off the lights, pulling down the blinds and setting the thermostat. to the perfect temperature all with the Smart Monitor for a perfectly relaxed evening. Mobile connectivity Convenient connectivity. With AirPlay integration, you can wirelessly connect Apple devices to the Smart Monitor and view on a bigger screen. Enjoy your favorite content from an iPhone, iPad, and Mac on the Smart Monitor and even mirror apps, documents, and websites. Adaptive Picture Sensational picture, day or night. Surrounding light is detected by a sensor to adjust brightness automatically with Adaptive Picture. Even in broad daylight, watch dark, gritty dramas without squinting and straining your eyes to see the picture. Specifications: Specifications Aspect Ratio16:9 Brightness (Typical)250 cd/㎡ Contrast Ratio Static3,000:1 (Typ.) Resolution1,920 x 1,080 Response Time4ms (GTG) Viewing Angle (H/V)178°/178° 3 year warranty Manufacturer Link
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
TE03XL Battery TE03061XL for HP Omen 15-ax000:15-ax033dx 15-ax210nr 15-ax001ns;HP Pavilion 15-bc000:15-bc008tx and More 849910-850 849570-541 542 543 HSTNN-UB7A TPN-Q173-11.55V 61.6Wh 3-Cell About this item Specifications: – Battery type: Li-ion || Voltage: 11.55VV|| Capacity: 61.6Wh || Cells: 3-cell Compatible Models: – HP Omen 15-ax000:(15-ax000~15-ax099);HP Pavilion 15-BC000 Series (15-bc000~099;15-bc300~399) Replacement Part Number: – HP TE03XL HSTNN-UB7A TPN-Q173 TE03061XL 849910-850 849570-541 849570-542 849570-543 3ICP7/65/80Replacment Part Number: – HP TE03XL HSTNN-UB7A TPN-Q173 TE03061XL 849910-850 849570-541 849570-542 849570-543 3ICP7/65/80 Easy Installation: The replacement process is straightforward and provides our tools.
OEM-quality trackpad replacement (without flex cable) for MacBook Air 13.3″ M1 (Model A2337, EMC 3598)—available in Space Gray, Gold, and Silver finishes—engineered for precise Force Touch response, smooth multi-touch gestures, and perfect color-matched integration. Compatible With: MacBook Air 13.3-inch (2020, Model A2337, EMC 3598) with Apple M1 chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting brackets. Intended for professional technicians who will reuse or transfer the original internal components. Color Options: Space Gray – matches Space Gray and Midnight finishes Gold – matches Gold MacBook Air Silver – matches Silver and Starlight finishes Each variant is finished to OEM specifications for seamless visual continuity with the lower case. Space Gray – matches Space Gray and Midnight finishes Gold – matches Gold MacBook Air Silver – matches Silver and Starlight finishes Each variant is finished to OEM specifications for seamless visual continuity with the lower case. Force Touch Support: Fully compatible with pressure-sensitive input and haptic feedback when used with the original Taptic Engine and logic board—ensuring full macOS gesture functionality (e.g., Force Click, Look Up, pressure-sensitive drawing). Precision Engineering: Features the same smooth glass surface, curvature, and micro-click mechanism as Apple’s original—delivering consistent tracking accuracy and tactile feel. Installation Requirements: Requires complete bottom case disassembly 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 technicians only. Important: This is a bare trackpad assembly—not a plug-and-play module. Functionality depends on correct integration with original electronics.
LG 24 inch 75Hz FHD IPS Monitor 24MP400-B is designed for everyday work, study, and casual use. It features a 23.8-inch Full HD IPS display with wide viewing angles. Additionally, it supports AMD FreeSync for smoother visuals. Therefore, it delivers stable performance for office tasks and light entertainment. The LG 24MP400-B offers 1920 × 1080 resolution with a 75Hz refresh rate. Moreover, it includes a 5ms response time and 250 nits brightness for clear image quality. It also provides 1000:1 contrast ratio and 178° viewing angles for consistent visuals. In addition, it supports HDMI and VGA inputs for flexible connectivity. Furthermore, it includes Reader Mode, Flicker Safe, Black Stabilizer, and Dynamic Action Sync. As a result, users get better eye comfort and improved visibility in dark scenes. It also supports VESA mounting for space-saving setups and flexible desk arrangements. manufacturer link Specifications: 23.8-inch Full HD (1920 × 1080) IPS display 75Hz refresh rate with AMD FreeSync support 5ms response time with 250 nits brightness HDMI and VGA connectivity options Flicker Safe and Reader Mode for eye comfort
AOC 24G11E 24-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gaming. It focuses on high refresh rate, low response time, and smooth visuals for everyday gameplay. Additionally, it features a 23.8-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides clear visuals and wide viewing angles, so it improves both gaming and general use. Moreover, the monitor supports a 180Hz refresh rate with 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced action. The display includes Adaptive Sync technology. Therefore, it reduces screen tearing and stuttering for a more stable gaming experience. In addition, it supports HDR10 and Low Input Lag mode. These features improve visual depth and responsiveness during gameplay. Furthermore, the monitor uses a 3-sided frameless design with HDMI 2.0 and DisplayPort 1.4 connectivity. This setup supports modern PCs and multi-monitor configurations. AOC 24G11E 24-inch 180Hz gaming monitor provides smooth performance, fast response, and essential gaming features for competitive and casual players. Specifications: 23.8-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 0.5ms MPRT response time for reduced motion blur Adaptive Sync support for tear-free performance HDMI 2.0 and DisplayPort 1.4 connectivity
