The Lenovo Monitor C22-20 (62A7KAT1EU) is a 21.5-inch Full HD display designed for office and everyday computing use. It delivers a 1920 × 1080 resolution with a compact screen size suitable for small desks and multi-monitor setups. Additionally, its slim design helps maintain a clean workspace. This monitor uses a TN panel with LED backlighting and supports up to 75Hz refresh rate via HDMI. Moreover, it offers a 5ms response time for basic smoothness in general tasks and light multimedia use. The Lenovo C22-20 provides 200 nits brightness and a 600:1 contrast ratio for standard indoor viewing. Therefore, it is best suited for office work, browsing, and document handling rather than gaming or creative color work. It includes HDMI 1.4 and VGA inputs for flexible connectivity with PCs and older systems. Additionally, it supports VESA mounting for wall or arm installation. The Lenovo Monitor C22-20 (62A7KAT1EU) 21.5″ is a practical and energy-efficient display for everyday productivity and business environments. Specifications: 21.5-inch Full HD (1920 × 1080) display TN panel with LED backlighting 75Hz refresh rate (via HDMI) 5ms response time for basic smooth visuals HDMI 1.4 and VGA connectivity support
Philips 346B1C 34-inch curved ultrawide monitor delivers wide workspace and efficient multitasking for professional use. It focuses on UltraWide clarity, USB-C docking, and ergonomic comfort for daily productivity. Additionally, it features a 34-inch VA panel with UltraWide QHD resolution (3440 × 1440). This resolution provides more horizontal space, so it improves multitasking and side-by-side workflows. Moreover, it uses a 1500R curved design. As a result, it creates a more immersive viewing experience and keeps content within a natural field of view. The monitor supports up to a 100Hz refresh rate with 4ms response time. Therefore, it delivers smooth visuals for office work, media, and light gaming. In addition, it includes USB-C docking with power delivery up to 90W. This allows video, data, and charging through a single cable, so it simplifies desk setup. Furthermore, it features Adaptive Sync, MultiView (PIP/PBP), and built-in Ethernet. These features improve workflow flexibility and connectivity across multiple devices. It also includes Flicker-Free and LowBlue Mode. So it helps reduce eye strain during long working sessions. Philips 346B1C 34-inch curved ultrawide monitor provides a large immersive display, strong connectivity, and productivity-focused features for modern work environments. Specifications: 34-inch VA panel with 3440 × 1440 UltraWide QHD resolution 100Hz refresh rate with 4ms response time 1500R curved design for immersive viewing USB-C docking with up to 90W power delivery MultiView, Adaptive Sync, and built-in Ethernet connectivity
Huawei IdeaHub B2 IHB2-65PU 65-inch conferencing display delivers an advanced all-in-one solution for modern meeting rooms. It combines a 4K UHD touchscreen with smart collaboration tools to enhance productivity and communication. As a result, teams can present, write, and share ideas seamlessly across multiple platforms. Moreover, the zero-gap laminated IPS panel ensures sharp visuals and precise touch response. The infrared multi-touch system supports up to 20 touch points, while low latency writing creates a smooth and natural pen experience. In addition, smart handwriting recognition and annotation features improve brainstorming and note-taking efficiency. Furthermore, the device includes dual WiFi connectivity and wide compatibility with Android, Windows, iOS, and macOS systems. The built-in speakers deliver clear audio, and the multiple front and rear ports provide flexible connectivity for various devices. Therefore, it is ideal for presentations, video conferencing, and collaborative workspaces. Huawei IdeaHub B2 65-inch display offers powerful performance, seamless connectivity, and intelligent collaboration features for professional environments. Specifications: 65-inch 4K UHD (3840 × 2160) IPS display with zero-gap laminated glass Infrared multi-touch supporting up to 20 touch points Low latency writing (25 ms) with smart handwriting recognition Dual WiFi (2.4GHz and 5GHz) with multi-OS compatibility Multiple ports including HDMI, USB, Type-C, RJ45, and OPS support
Genuine-spec UK layout (QWERTY) black keyboard replacement for MacBook Air 13.6″ and 15″ models (2023–2025, M2/M3/M4 chips)—featuring Apple’s Magic Keyboard design with scissor-switch mechanism, backlighting, and precise OEM fit. Compatible With: 13.6″ MacBook Air: A2681 (M2, 2022–2023), A3113 (M3, 2023–2024), A3240 (M4, 2024–2025) 15″ MacBook Air: A2941 (M2, 2023), A3114 (M3, 2023–2024), A3241 (M4, 2024–2025) 13.6″ MacBook Air: A2681 (M2, 2022–2023), A3113 (M3, 2023–2024), A3240 (M4, 2024–2025) 15″ MacBook Air: A2941 (M2, 2023), A3114 (M3, 2023–2024), A3241 (M4, 2024–2025) Keyboard Layout: UK English (QWERTY) with £ symbol, taller Enter key, and standard UK key labeling—matches Apple’s original regional configuration. Design: Apple’s Magic Keyboard with scissor-switch mechanism—offering quiet, responsive typing with 1mm travel and improved reliability. Features: Backlit keys, ambient light sensor support, and original-style flex cable connector for seamless integration with the logic board. Color: Matte black keycaps matching the Space Gray and Midnight MacBook Air finishes (also compatible with Silver/Starlight—keycaps are model-agnostic). Precision Engineering: Manufactured to exact OEM specifications for fit, alignment, and tactile performance—ensures flush mounting within the top case. Installation Note: Keyboard is glued into the top case and requires full disassembly and careful re-adhesion. Recommended for professional technicians only due to complexity and risk of damage.
The Samsung 65″ QLED Q6F 4K Smart TV QA65Q6FAAUXTW delivers vibrant picture quality and smart entertainment features in a sleek design. It uses advanced QLED technology to produce bright colors, sharp details, and impressive clarity, making movies, sports, and games more engaging on the 65-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness. As a result, images appear vivid and lifelike across a wide variety of content. Dark scenes retain important details, while bright scenes remain balanced and clear. This creates a more enjoyable viewing experience throughout the day. The 4K UHD resolution provides exceptional image detail and clarity. Therefore, content looks sharper and more refined than standard Full HD. In addition, Samsung processing technology enhances lower-resolution content, helping it appear closer to native 4K quality. HDR support improves contrast and expands the visible color range. This allows brighter highlights and deeper shadows, creating more realistic images. Fast-moving scenes also appear smoother and clearer, making sports events and action-packed content more enjoyable. The Smart TV platform provides access to popular streaming services, apps, and connected home features. It offers a responsive interface that makes navigation simple and convenient. In addition, the slim design and narrow bezels give the Samsung QLED 65 Q6F 4K Smart TV QA65Q6FAAUXTW a modern appearance that fits well in most living spaces. Overall, this Samsung QLED TV combines vivid colors, sharp 4K resolution, and smart functionality for a complete home entertainment experience. Specifications: QLED technology delivers vibrant colors and enhanced brightness 65-inch 4K UHD display provides immersive viewing HDR improves contrast and image realism Smart TV platform supports streaming apps and connected features Slim design complements modern living spaces
VI04 V104 Replacement Laptop Battery for HP Envy 14 15 17 Series HP Pavilion 15 17 Notebook Series TPN Q139 Q140 Q141 Q142 Q143 Spare 756743-001 About this item Battery Type: Li-ion; Voltage: 14.8V; Capacity: 2200MAH; Cells:4-cell Replacement Battery for HP Envy 14 15 17 Laptop Series 14-v000-v099 15-k000-k099 17-f000 -f099 m7-k211dx m7-k111dx m7-k211dx 15t-k100 15t-k200 17t-k000; HP Pavilion 15 17 Laptop Series 15-p000 to p099, 15-x000 to x099, 17-f000 to f099, 17-x000 to x099; 14-V006LA 15-P030NR 15-P390NR 15-P099NR 15-P100DX 15-P133CL 15-P114DX 17-F053US 17-F113DX Compatible Models for HP ProBook 440 G2 445 G2 450 G2 455 G2 756743-001 756744-001 756745-001 756479-421 756478-421 756478-422 756478-851 HSTNN-DB6K HSTNN-DB6J HSTNN-LB6K HSTNN-LB6I All products are Certified by CE FCC for safety; Strict guidelines for compatibility, and standards compliance for environmental safety
Specifications Feature Value Feature Value Input/Output Other Sound Mode Extra Bass Mode Category Speakers Use Other Input Power (W) 25-49W Voice Control No Waterproof Yes Support APP No Intelligent Personal Assistant None Audio Crossover Full-Range Number of Loudspeaker Enclosures 2 Power Source None Channels 2 (2.0) Battery Yes Communication USB Speaker Type Portable Cabinet Material Plastic Brand Name QUCAA Origin Mainland China Certification CE
Keyboard Compatible for MacBook PRO Retina 15″ A1398 (Late 2013-MID 2015) US Layout Compatibility: MacBook Pro Retina 15″ A1398 Late 2013 (IG): ME293LL/A (2.0 Core i7) Late 2013 (IG): ME293LL/A (2.3 Core i7) Late 2013 (IG): ME293LL/A (2.6 Core i7) Mid 2014 (IG): MGXA2LL/A (2.2 Core i7) Mid 2014 (IG): MGXA2LL/A (2.5 Core i7) Mid 2014 (IG): MGXA2LL/A (2.8 Core i7) Late 2013 (DG): ME294LL/A (2.3 Core i7) Late 2013 (DG): ME294LL/A (2.6 Core i7) Compatibility: Mid 2014 (DG): MGXC2LL/A (2.5 Core i7) Mid 2014 (DG): MGXC2LL/A (2.8 Core i7) Mid 2015 (IG): MJLQ2LL/A (2.2 GHz Core i7) Mid 2015 (IG): MJLQ2LL/A BTO (2.5 GHz Core i7) Mid 2015 (IG): MJLQ2LL/A BTO (2.8 GHz Core i7) Mid 2015 (DG): MJLT2LL/A (2.5 GHz Core i7) Mid 2015 (DG): MJLT2LL/A BTO (2.8 GHz Core i7) Identifying Numbers APN: 661-6532, 661-8311,661-02536 Specification】The keyboard is without frame! pls see detail compatible model in descrirption. 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 biddingReplacement and high quality,Replace your faulty, cracked or broken keyboard Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping Please contact us if you have any question or problems.
Are you in search of a gaming monitor that takes your gaming experience to the next level? Look no further than the Samsung 32″ 165Hz Gaming Monitor. This monitor is packed with features that deliver smooth gameplay and stunning visuals, making it the perfect choice for gamers. Transitioning to its core, the Samsung Gaming Monitor boasts a high refresh rate of 165Hz, ensuring fluid motion and reduced screen tearing for an ultra-smooth gaming experience. Whether you’re playing fast-paced action games or immersing yourself in the latest AAA titles, this monitor keeps up with the action without missing a beat. Its 32-inch display provides ample screen real estate for immersive gaming sessions. With vibrant colors and crisp details, every game comes to life on this monitor, pulling you into the heart of the action. Furthermore, the Samsung 32″ 165Hz Gaming Monitor features a sleek and modern design that complements any gaming setup. With slim bezels and a minimalist aesthetic, this monitor not only enhances your gaming experience but also adds a touch of style to your gaming rig. Connectivity is key, and this monitor offers a range of ports including HDMI and DisplayPort, allowing you to connect to your gaming PC, console, and other devices with ease. Whether you’re gaming solo or with friends, stay connected and ready to play at a moment’s notice. In summary, the Samsung 32″ 165Hz Gaming Monitor is the ultimate choice for gamers seeking high performance and immersive visuals. Upgrade your gaming setup today and experience gaming like never before with this top-of-the-line monitor. Specifications: Display : 32″ IPS Resolution : 2,560 x 1,440 Refresh Rate : 165Hz Response Rate : 1ms (GTG)
The ViewSonic XG2409 24″ 180Hz Gaming Monitor is built for smooth and responsive gaming performance. With a fast 180Hz refresh rate, it delivers fluid visuals and reduced motion blur, ideal for action-packed games. Its 1ms MPRT response time ensures clear images with minimal ghosting or lag. The SuperClear® IPS panel offers rich colors and wide viewing angles, making every scene vivid and immersive. The ViewSonic XG2409 24″ 180Hz Gaming Monitor features AMD FreeSync™ support, which helps prevent screen tearing and stuttering during gameplay. HDR10 support boosts contrast and detail, offering more lifelike visuals. The Full HD resolution (1920 x 1080) produces sharp and detailed images for gaming, movies, and work. With 250 nits brightness and a 1,000:1 contrast ratio, it maintains clarity even in brighter environments. Connectivity is simple with two HDMI 1.4 ports and one DisplayPort 1.2, giving you flexibility with multiple devices. It also includes a 3.5mm audio output for easy audio integration. Designed with comfort in mind, the monitor stand is adjustable for height, tilt, swivel, and pivot, helping you find the perfect viewing angle. It also supports VESA mounting for custom setups. The anti-glare coating helps reduce screen reflections, making it easier to focus on your game. Its clean, minimal design blends well with any gaming or home office setup. In conclusion, the ViewSonic XG2409 24″ 180Hz Gaming Monitor offers smooth visuals, fast response, and ergonomic features, making it a great choice for gamers who want performance and value. Specifications: Display : 24″ IPS Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Rate : 1ms MPRT
The Samsung Odyssey G9 49″ 240Hz OLED Gaming Monitor delivers ultra-wide immersive gameplay. First, it features a curved OLED panel with deep blacks and vibrant colors. The monitor offers a 49-inch screen with 240Hz refresh rate and fast response time. In addition, the ultra-wide design expands your field of view for gaming and multitasking. Moreover, the smart features and ergonomic design improve comfort and usability. Therefore, gamers can enjoy smooth performance, sharp visuals, and a fully immersive experience. Specifications: 49″ OLED curved display delivers deep blacks and vibrant colors 240Hz refresh rate ensures ultra-smooth and responsive gameplay Ultra-wide screen improves multitasking and gaming immersion Fast response time reduces motion blur in fast-paced scenes Smart features and ergonomic design enhance usability and comfort
TP-Link 8 Port Gigabit Ethernet Network Switch | Plug and Play | Desktop or Wall-Mount | Plastic Case Ethernet Splitter | Fanless | Traffic Optimization | Unmanaged (TL-SG1008D),Black About this item PLUG-AND-PLAY – Easy setup with no configuration or no software needed ETHERNET SPLITTER – Connectivity to your router or modem router for additional wired connections (laptop, gaming console, printer, etc) 8 Ports GIGABIT ETHERNET – 8 10/100/1000 Mbps Gigabit auto-negotiation RJ45 ports greatly expand network capacity COST EFFECTIVE – Fanless Quiet Design, Desktop design RELIABLE – IEEE 802.3x flow control provides reliable data transfer UP to 80% Power Saving – Automatically adjusts power consumption according to the link status and cable length AUTO-NEGOTIATION – Supports Auto-MDI/MDIX, eliminating the need for crossover cables
A professional pre-owned HP EliteBook 840 G5 or G6 with 14" display, 8th Gen Core i5, 8GB RAM, and 256GB SSD—offering reliable performance, enterprise security, and portability for business and everyday use.
SanDisk 2TB Portable SSD - Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware - External Solid State Drive - SDSSDE30-2T00-G26 SanDisk 2TB Portable SSD – Up to 800MB/s, USB-C, USB 3.2 Gen 2, Updated Firmware – External Solid State Drive – SDSSDE30-2T00-G26 About this item Solid state performance with up to 800MB/s read speeds in a portable drive. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.) Back up your content and memories on a storage solution that fits seamlessly into your mobile lifestyle. Take it with you on your adventures—up to two-meter drop protection means this durable drive can take a beating. (Based on internal testing.) Secure it to your belt loop or backpack for extra peace of mind thanks to the tough rubber hook. From SanDisk, a brand professional photographers trust to take on assignments.
The ViewSonic VX2480-2K-SHD 24″ 75Hz Monitor elevates your visual experience with its stunning 24-inch display. Whether you’re working, gaming, or watching movies, this monitor delivers crisp and clear images. With a 2K resolution, the ViewSonic VX2480-2K-SHD ensures every detail is visible and vibrant. Enjoy sharp, lifelike visuals that make your content come alive, from photos to videos and everything in between. The 75Hz refresh rate provides smooth and fluid motion, making it perfect for gaming and fast-paced videos. Say goodbye to screen tearing and lag, and enjoy a seamless viewing experience with the ViewSonic VX2480-2K-SHD. Designed for versatility, this monitor offers multiple connectivity options, including HDMI and DisplayPort. Easily connect your devices and switch between them without hassle, making your workspace more efficient. The ViewSonic VX2480-2K-SHD 24″ Monitor features an ultra-slim bezel design, maximizing your screen space and creating a sleek, modern look. Its ergonomic stand allows you to adjust the height and tilt for the most comfortable viewing position. Eye-care technology in the ViewSonic VX2480-2K-SHD reduces eye strain during extended use. With features like Flicker-Free and Blue Light Filter, you can work or play for longer without discomfort. In conclusion, the ViewSonic VX2480-2K-SHD 24″ 75Hz Monitor offers a perfect blend of stunning visuals, smooth performance, and ergonomic design. Upgrade to the ViewSonic VX2480-2K-SHD today and transform your viewing experience. Specifications: Display : 24″ IPS Resolution : QHD 2560 x 1440 Refresh Rate : 75Hz Response Rate : 3.89ms
Genuine-spec touchpad flex cable for Apple’s 12-inch MacBook (Model A1534, Early 2015 / Early 2016 / Mid 2017)—essential for restoring full Force Touch trackpad functionality, haptic feedback, and multi-touch gesture support. Compatible With: MacBook 12″ (Early 2015) – 1.1GHz Core M MacBook 12″ (Early 2016) – 1.1GHz/1.3GHz Core M MacBook 12″ (Mid 2017) – 1.2GHz/1.3GHz Core m3/i5/i7 All share Model Number A1534 and Model Identifier MacBook8,1 / MacBook9,1 / MacBook10,1 respectively. MacBook 12″ (Early 2015) – 1.1GHz Core M MacBook 12″ (Early 2016) – 1.1GHz/1.3GHz Core M MacBook 12″ (Mid 2017) – 1.2GHz/1.3GHz Core m3/i5/i7 All share Model Number A1534 and Model Identifier MacBook8,1 / MacBook9,1 / MacBook10,1 respectively. Part Type: Touchpad flex cable only—does not include the trackpad housing, Taptic Engine, or mounting brackets. This is the ribbon cable that connects the Force Touch trackpad to the logic board. Function: Critical for Force Touch functionality—transmits pressure-sensitive input, multi-touch gestures (e.g., pinch, swipe, Force Click), and haptic feedback signals to the Taptic Engine. OEM-Quality Construction: Precisely matches Apple’s original in length, connector pitch, shielding, and routing—ensures reliable signal integrity and compatibility with macOS. Common Use Cases: Replacing a torn, creased, or liquid-damaged flex cable Restoring unresponsive or erratic trackpad behavior Completing a trackpad replacement when the original cable is unusable Replacing a torn, creased, or liquid-damaged flex cable Restoring unresponsive or erratic trackpad behavior Completing a trackpad replacement when the original cable is unusable Installation Note: Requires full bottom case removal and delicate disconnection of the ZIF connector. The cable routes tightly under the battery—extreme care is required. Recommended for experienced or certified technicians only.
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
The MSI MAG 274QRFW X32 is a 27-inch gaming monitor designed for fast-paced gaming. It features a 320Hz refresh rate, providing ultra-smooth motion for competitive play. Furthermore, its high-quality panel delivers vibrant colors and clear visuals for immersive gameplay. The monitor supports a 1ms response time, reducing motion blur and ghosting. In addition, adaptive sync technology ensures smooth performance without screen tearing. Gamers can enjoy both fast reactions and detailed graphics during intense sessions. It includes multiple connectivity options such as DisplayPort and HDMI, allowing easy connection to PCs and consoles. Moreover, ergonomic adjustments let users tilt, swivel, and adjust height for comfortable long gaming sessions. As a result, the MSI MAG 274QRFW X32 enhances both performance and comfort. This monitor combines speed, visual clarity, and ergonomic design, making it ideal for competitive and casual gamers alike. Specifications: 27-inch display with 320Hz refresh rate 1ms response time for reduced motion blur Vibrant panel with clear and immersive visuals Adaptive sync for smooth performance without tearing Multiple connectivity options and ergonomic adjustments
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 Samsung 27″ Smart Monitor M5 M50D (LS27DM501EMXUE) is an all-in-one display designed for work and entertainment. It combines a Full HD monitor with built-in smart TV features. Additionally, it allows direct streaming without a PC using integrated apps. Moreover, it features a 27-inch VA panel with Full HD resolution and a 60Hz refresh rate. It supports HDR10 and delivers wide viewing angles with consistent image quality. Furthermore, the monitor includes built-in speakers, Wi-Fi, and Bluetooth connectivity. It runs on Samsung Tizen OS, enabling access to apps, Samsung TV Plus, and Gaming Hub. It also supports multiple ports, including HDMI and USB-A, for easy device connection. Features like Multi Control and Workspace improve productivity across devices. Overall, the Samsung 27″ Smart Monitor M5 M50D delivers versatile use with streaming, productivity tools, and display performance in one device. Specifications: 27-inch Full HD (1920×1080) VA display 60Hz refresh rate with 4ms response time Built-in smart TV apps with Tizen OS Integrated speakers with HDMI and USB ports Wi-Fi and Bluetooth connectivity support
