The MSI PRO MP225V 22″ 100Hz Business Monitor is designed to improve productivity while maintaining eye comfort and reliable performance. With its 22-inch Full HD display, it provides sharp visuals and clear details for work and study. Moreover, the compact size makes it a perfect choice for small desks and home offices. Because comfort matters, this monitor includes TÜV-certified low blue light and flicker-free technology. As a result, you can work for longer hours without eye strain. In addition, the adjustable tilt feature helps you find the most natural viewing position for daily use. The MSI PRO MP225V 22″ 100Hz Business Monitor also ensures smooth visuals with its 100Hz refresh rate. Furthermore, it supports AMD FreeSync, reducing screen tearing and stuttering during presentations, videos, or even light gaming. Therefore, it offers a balance between work and entertainment. Connectivity options include HDMI and VGA, making it easy to link with various devices. Besides that, its slim design with narrow bezels provides a modern look while maximizing screen space. Not only is it efficient, but it is also compatible with VESA mounts, allowing flexible installation on a wall or monitor arm. In short, the MSI PRO MP225V 22″ 100Hz Business Monitor combines clarity, comfort, and versatility, making it a smart solution for professionals and students. Specifications: Display : 21.45″ IPS Screen : FHD (1920×1080) Refresh Rate : 100Hz Response Rate : 1ms (MPRT) / 4ms (GtG)
VSTAR UA150 1500VA UPS | Simulated Sine Wave Output | 230V | 24VDC Battery System | 50/60Hz Auto Sensing | Compact Design | Black Color | Model UPS-UA150 Robust 1500VA Power CapacityThe VSTAR UA150 delivers 1500VA of reliable backup power to safeguard your essential electronics, including PCs, servers, routers, and security systems. Dual Voltage CompatibilitySupports 110/120V or 220/230/240V input, making it ideal for use in a variety of international voltage environments. Stable 230V Output with AVR FunctionalityMaintains a consistent 230VAC output, protecting connected devices from voltage fluctuations and surges. Simulated Sine Wave OutputProvides a simulated sine wave waveform suitable for most common electronics, especially during normal backup operations. Auto-Sensing FrequencyAutomatically detects 50Hz or 60Hz power sources, adapting to your electrical environment without manual adjustments. Compact, Space-Saving DesignMeasuring just 353 x 149.3 x 162 mm, the UA150 fits neatly on or under desks, in server cabinets, or against walls. Reliable 24VDC Battery SystemOperates on a 24VDC internal battery configuration, delivering longer runtimes and better reliability during outages. Universal Output SocketsEquipped with IEC-style or universal output sockets that are compatible with a wide range of devices. Sleek Black FinishA clean and modern black color allows it to blend seamlessly into professional or home environments. Ideal for Home or OfficeProtects critical electronics, telecom gear, and POS systems from data loss and downtime.
AOC 24G4E 24-inch 180Hz gaming monitor delivers fast and responsive performance for competitive gaming. It focuses on smooth motion, low latency, and clear visual quality for everyday gameplay. Additionally, it features a 23.8-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides sharp detail and wide viewing angles, so it ensures consistent image quality in games and general use. Moreover, it supports a 180Hz refresh rate with 1ms GtG and 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced action. The monitor includes Adaptive Sync and G-SYNC compatibility. Therefore, it reduces screen tearing and stuttering for stable gameplay performance. In addition, it supports HDR10 and low input lag mode. These features improve contrast and responsiveness during gaming sessions. Furthermore, it offers a three-sided frameless design with HDMI 2.0 and DisplayPort 1.4 connectivity. This makes it suitable for modern gaming setups and multi-monitor use. AOC 24G4E 24-inch 180Hz gaming monitor provides smooth performance, fast response, and essential competitive gaming features. Check out other option here! Specifications: 23.8-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 1ms GtG and 0.5ms MPRT response time Adaptive Sync and G-SYNC compatible support HDR10 with low input lag mode for better responsiveness
Samsung Lebanon 43″ UHD LS43BM700UMXUE The Samsung Lebanon 43″ UHD 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. Multiple Voice Assistants With the Far Field Voice feature, activate your voice assistant just by speaking. Directly command the monitor even at a distance – and tell it what you need. It’s as simple as that. The Smart Monitor supports both Bixby and Amazon Alexa. 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. Specifications: Specifications Screen Size (Class)43 Flat / CurvedFlat Active Display Size (HxV) (mm)941.184×529.416 Aspect Ratio16:9 Panel TypeVA Brightness (Typical, cd/m2)300 Brightness (Min, cd/m2)240 Contrast Ratio Static5,000:1(Typ.) HDR(High Dynamic Range)HDR10 Resolution3,840 x 2,160 Response Time4ms(GTG) Viewing Angle (H/V)178°(H)/178°(V) Color SupportMax 1B Refresh RateMax 60Hz 3-year warranty Manufacturer Link
The Samsung S3 Essential (D362) 27″ Full‑HD VA Curved Monitor (LS27D362GAMXUE) offers a large curved screen with a 100 Hz refresh rate for smoother motion in games and videos. Additionally, the VA panel produces deep contrast with wide viewing angles for everyday computing, entertainment, and casual gaming. The monitor also supports Game Mode to optimize color and image contrast for more vivid scenes. Moreover, advanced eye comfort technologies such as Eye Saver Mode and flicker‑free operation help reduce eye strain during long sessions. Therefore, it supports extended use for work or entertainment without discomfort. The curved design enhances immersion and helps minimize peripheral distractions. Furthermore, connectivity includes HDMI and VGA ports for easy connection to PCs and other devices. The monitor also includes a headphone jack for audio output. It comes with a stand that allows tilt adjustment, and it supports VESA wall mounting for flexible setups. The monitor is backed by a three‑year warranty for peace of mind. Specifications: 27″ curved VA panel with Full HD (1920 × 1080) resolution for clear visuals 100 Hz refresh rate for smoother motion in games and videos Game Mode optimizes color and contrast for more vivid scenes Eye Saver Mode and flicker‑free technology reduce eye strain HDMI and VGA connectivity plus headphone jack for flexible connections
Reliable, compact, and business-focused—the Dell Latitude 5310 features a 10th Gen Intel Core i5 processor, 8GB RAM, and a fast 256GB SSD in a lightweight 13.3-inch design built for everyday productivity.
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2251, 2020, Intel)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13-inch (2020, Two Thunderbolt Ports, Model A2251, Model Identifier MacBookPro16,1) with Intel Core i5/i7 processors. Part Type: Touchpad flex cable only—does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only.
Looking for a budget-friendly monitor that doesn’t compromise on quality? The Lenovo D19-10 18.5″ Monitor might be your perfect fit. Starting with its sleek design, this monitor seamlessly blends into any workspace. The 18.5″ display provides a crisp viewing experience without overwhelming your desk space. Transitioning to performance, the D19-10 ensures vibrant visuals with its high-definition resolution. Whether you’re working on spreadsheets or enjoying multimedia content, the clarity is impressive for its size. Connectivity is a breeze with multiple ports, including VGA and HDMI, offering versatility for various devices. Switch effortlessly between work and entertainment without the hassle of cable swapping. The monitor’s energy-efficient design not only reduces power consumption but also contributes to a greener environment. Enjoy a visually stunning display while being mindful of energy usage. Say goodbye to eye strain with the D19-10’s anti-glare technology. Whether you’re working long hours or binge-watching your favorite shows, the reduced glare enhances your viewing comfort. For those on a tight budget, the Lenovo D19-10 is a cost-effective choice. Its combination of sleek aesthetics, high-definition display, and user-friendly features makes it a standout in the affordable monitor category. In summary, the Lenovo D19-10 18.5″ Monitor offers a winning combination of affordability and performance. Upgrade your visual experience without breaking the bank—experience the brilliance today! Specifications: Display : 18.5″ Resolution : 1366×768 Refresh Rate : 60hz Response Time : 5ms
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.
BATTERY DELL 6MT4T CYDZ 62W 7.6V Laptop Battery Compatible with Dell Latitude 5470 E5470 155570 E5570 3510 M3510 7V69Y, TXF9M, 79VRK, 07V69Y, 0HK6DV, 079VRK, 0TXF9M About this item 6MT4T Voltage: 7.6V, Capacity: 62Wh Compatible Part Number: 7V69Y, TXF9M, 79VRK, 07V69Y, 0HK6DV, 079VRK, 0TXF9M Compatible for Dell Latitude 14 Series 5470 E5470 155570 E5570 Series Compatible for Dell Latitude 15 Series Precision 15 3510 M3510.
The ViewSonic VG2781-5K 27″ 5K 60Hz Monitor delivers superb detail and sharp visuals for work, design, and media tasks. Its 5K screen shows images with clear definition and high clarity. The 27‑inch size gives you a large workspace for multitasking and creative projects. This helps you stay efficient and organized. Moreover, the ViewSonic VG2781-5K uses an IPS panel that provides accurate colors and wide viewing angles. Colors stay consistent from different angles. In addition, the monitor supports a high color gamut. It covers sRGB 100%, Adobe RGB ~98‑99%, and DCI‑P3 ~99%. This wide coverage helps create vivid, true‑to-life visuals. It is great for photo editing, video editing, and design work. You will enjoy bright and realistic colors. Furthermore, the ViewSonic VG2781-5K 27″ 5K 60Hz Monitor includes useful features for comfort and versatility. It supports HDR400 for enhanced contrast and brightness. Also, the monitor provides versatile connectivity. It includes two HDMI 2.1 ports, one DisplayPort 1.4, and dual USB‑C ports (one with up to 96 W power delivery). It also offers USB‑A, USB‑B, Ethernet (RJ45), and audio out. These options help you connect laptops, desktops, peripherals, or even use the monitor as a dock. The design of the ViewSonic VG2781-5K is modern, with a slim bezel and ergonomic adjustable stand. You can adjust height, tilt, swivel, and pivot to get a comfortable view. This makes it suitable for desks, studios, and professional workspaces. The built‑in speakers add extra convenience for calls and media. Overall, the ViewSonic VG2781-5K 27″ 5K 60Hz Monitor combines high resolution, accurate color, versatile connectivity, and ergonomic design. It improves your work, creative tasks, and daily use. It is ideal for designers, editors, professionals, and anyone who values image quality. Specifications: Display : 27″ IPS Resolution : 5120×2280 Refresh Rate : 60Hz Response Time : 5ms
The ViewSonic 27″ 180Hz Gaming Monitor delivers an ultra-smooth gaming experience. With a 180Hz refresh rate, every motion looks fluid and lag-free. This makes it perfect for fast-paced games like shooters and racing titles. Featuring a 1ms response time, the monitor reduces motion blur and ghosting. You get sharper visuals and smoother gameplay, giving you a competitive edge. Say goodbye to input lag and enjoy instant reactions. The ViewSonic 27-inch Gaming Monitor offers Full HD resolution for crisp and detailed visuals. Whether you’re gaming, streaming, or working, you’ll enjoy clear images with vibrant colors. The IPS panel ensures wide viewing angles and accurate colors. With AMD FreeSync technology, screen tearing and stuttering are eliminated. The monitor syncs with your graphics card for seamless gameplay. This ensures a smoother and more immersive gaming experience, even in demanding scenes. This monitor is designed for comfort and versatility. The ergonomic stand allows you to adjust height, tilt, and swivel for the perfect viewing angle. You can also mount it on a wall for a clean setup. Multiple connectivity options make the ViewSonic 27″ 180Hz Gaming Monitor easy to use. It includes HDMI and DisplayPort, allowing you to connect to gaming consoles, PCs, and more. With a sleek, modern design, this monitor enhances any gaming setup. The narrow bezels create a seamless multi-monitor experience. Enjoy distraction-free gaming with an immersive display. Upgrade your gaming experience with the ViewSonic 27″ 180Hz Gaming Monitor. Enjoy smooth performance, fast response times, and stunning visuals. Specifications: Display : 27″ IPS Resolution : 1920 x 1080 FHD Refresh Rate : 180Hz Response Rate : 1ms MPRT
The AOC 27″ 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 27″ 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 27-inch display offers Full HD resolution, providing vibrant colors and sharp details. From watching movies to editing documents, the AOC 27″ 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 27″ 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 27″ 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 : 27″ IPS Resolution : 1920 × 1080 (FHD) Refresh Rate : 100Hz Response Rate : 1ms
The TP-Link TL-WA855RE N300 Universal Range Extender boosts your existing 2.4GHz Wi-Fi signal up to 300Mbps to eliminate dead zones and extend coverage. With a compact wall-plug design, dual external antennas, and one-touch WPS setup, it’s perfect for home and office use. The TP-Link TL-WA855RE N300 Universal Wireless Range Extender is an easy and affordable solution to extend your Wi-Fi coverage into areas where your router signal is weak or unavailable. It works with almost any wireless router to repeat and strengthen your existing network, providing improved connectivity for streaming, browsing, video calls, and everyday online tasks. Featuring two external antennas for better signal strength, an Ethernet port for wired devices, and a smart signal indicator for optimal placement, it ensures stable coverage across your space. N300 Wi-Fi Speed (Up to 300Mbps) on 2.4GHz Universal Compatibility works with most Wi-Fi routers and access points Boosts Coverage & Removes Dead Zones for stronger wireless signal Two External Antennas improve range and stability One-Touch WPS Setup for quick and simple connection Smart Signal Indicator helps you find the best placement Ethernet Port for wired connection to TVs, PCs, or consoles Compact Wall Plug Design ideal for home or office use Ideal for homes, offices, apartments, and small businesses needing better Wi-Fi coverage. Works with laptops, smartphones, smart TVs, tablets, IP cameras, and other Wi-Fi devices.
The Lenovo ThinkVision T24d‑30 is a 24″ WUXGA (1920×1200) IPS monitor designed for professional and office use. It delivers crisp detail with a 16:10 aspect ratio and broad viewing angles. The panel features anti‑glare treatment and 300 cd/m² brightness to support long work sessions with reduced eye strain. This monitor includes diverse connectivity with HDMI, DisplayPort, and VGA inputs. It also offers a built‑in USB hub and integrated stereo speakers. Adjustable ergonomics with height, pivot, tilt, and swivel make it easy to position for comfort. The monitor supports VESA mount and includes low blue light and flicker‑free technologies for user comfort. Specifications: 24″ WUXGA (1920×1200) IPS display with 16:10 aspect ratio Anti‑glare panel with 300 cd/m² brightness for clear visuals HDMI, DisplayPort, and VGA inputs for versatile connectivity Built‑in USB hub and integrated stereo speakers Adjustable height, tilt, swivel, and pivot stand with VESA support
BenQ Board Essential RE7504N 75” 4K UHD Interactive Flat Panel is a large interactive display designed for education and business collaboration. It supports touch input, built-in Android system, and 4K resolution for presentations and group work. It features a 75-inch IPS panel with 3840 × 2160 4K UHD resolution. Therefore, it delivers sharp visuals and wide viewing angles. In addition, it supports up to 40-point multi-touch for group interaction. Moreover, it runs Android (EDLA-supported system depending on region). As a result, users can run apps, whiteboard tools, and content directly on the display without a PC. The screen includes anti-glare coating. Therefore, it stays readable in bright rooms. In addition, it supports 4K 60Hz output for smooth visuals. Furthermore, it includes HDMI, USB, LAN, and OPS slot connectivity. As a result, it works with laptops, external PCs, and modular systems. It also includes built-in speakers for basic audio output. Therefore, it supports lessons and meetings without external speakers. Finally, the BenQ RE7504N provides a large interactive 4K workspace for classrooms and business collaboration. Specifications: Display: 75-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch support System: Android-based interactive platform (EDLA support depending on region) Connectivity: HDMI, USB, LAN, and OPS slot support Display: Anti-glare screen with 4K 60Hz output for smooth visuals
The Cudy M1200 AC1200 Mesh WiFi System provides seamless whole-home coverage with stable dual-band speeds up to 1200Mbps. Designed to eliminate dead zones, it delivers smooth roaming, strong signal performance, and reliable connectivity for homes and offices. AC1200 Dual Band WiFi – Combined speeds of up to 1200Mbps (300Mbps on 2.4GHz + 867Mbps on 5GHz) for streaming, browsing, and gaming. Whole-Home Mesh Coverage – Multiple units work together to create a single seamless network, eliminating WiFi dead zones. Seamless Roaming – Automatically connects your devices to the strongest signal as you move around your home. Gigabit Ethernet Ports – High-speed wired connections for smart TVs, gaming consoles, and PCs. Easy Setup & Management – Quick installation and control through a user-friendly interface or mobile app. Flexible Expansion – Easily add more mesh units to extend coverage anytime. Stable & Reliable Performance – Designed for multiple connected devices with consistent speed and signal strength. Gigabit Ethernet Ports (WAN/LAN) Dual Band WiFi (2.4GHz & 5GHz) Mesh Networking Technology WiFi Roaming Support Wireless Security (WPA/WPA2)
Professional Lavalier Microphone Candc DC-C6 Candc DC-C6 Lavalier Microphone for Smartphones, DSLR, Camcorders, Audio recorders, PC etc. Clip microphone to help you get music or sound.One-directional microphone with anti-noise function. type jack can be connected to PC / laptop / wireless microphone transmitter with 3.5mm line-in / mic in. Built-in clip can be easily attached to collar, tie or other clothes-no installation required. Features: Type: microphone Cable length: about 116 cm Sensitivity: -46 ± 2db : one way Operating voltage: DC1.0V-10 VAcurrent consumption
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
