Boost your daily productivity with the Lenovo ThinkPad E14 Gen 2, featuring a powerful 11th Gen Intel Core i5 processor. With flexible configurations of up to 16GB RAM and a fast 512GB NVMe SSD, this 14-inch business laptop offers the perfect blend of performance, security, and legendary ThinkPad durability
VIEWSONIC MONITOR TD2423 Display Size (in.): 24 Viewable Area (in.): 23.6 Panel Type: VA Technology Resolution: 1920 x 1080 Resolution Type: FHD (Full HD) Static Contrast Ratio: 3,000:1 (typ) Dynamic Contrast Ratio: 20M:1 Light Source: LED VIEWSONIC MONITOR Brightness: 250 cd/m² (typ) Colors: 16.7M Color Space Support: 8 bit (6 bit + Hi-FRC) Aspect Ratio: 16:9 Response Time (Typical GTG): 7ms Response Time (GTG w/OD): 7ms Response Time (Typical Tr+Tf): 25ms Viewing Angles: 178º horizontal, 178º vertical Backlight Life (Hours): 40000 Hrs (Min) Curvature: Flat Refresh Rate (Hz): 75 VIEWSONIC MONITOR Blue Light Filter: Yes Flicker-Free: Yes Color Gamut: NTSC: 72% size (Typ) sRGB: 104% size (Typ) Pixel Size: 0.272 mm (H) x 0.272 mm (V) Touch Screen: IR, 10-point multi-touch Surface Treatment: Glossy, Hard Coating (7H) Cover Glass Thickness: 1.85mm CompatibilityVIEWSONIC MONITOR TD2423 PC Resolution (max): 1920×1080 Mac® Resolution (max): 1920×1080 PC Operating System: Windows 7/8.1/10/11 certified; macOS tested Mac® Resolution (min): 1920×1080 Connector VGA: 1 USB 2.0 Type A: 2 USB 2.0 Type B: 1 3.5mm Audio In: 1 3.5mm Audio Out: 1 HDMI 1.4: 1 DVI-D: 1 Power in: 3-pin Socket (IEC C14 / CEE22) Specifications: VIEWSONIC MONITOR TD2423 Display Size (in.): 24 Viewable Area (in.): 23.6 Panel Type: VA Technology Resolution: 1920 x 1080 Resolution Type: FHD (Full HD) Static Contrast Ratio: 3,000:1 (typ) 1 Year Warranty Manufacturer link
A space-saving pre-owned Lenovo ThinkCentre M920z all-in-one desktop with 24-inch display, 8th Gen Core i5, RAM upgrade options, and SSD storage options. Ideal for offices, education, and home use with clean design and reliable performance.
Remax F27 Fonzyr Desktop Fan – 5 W rechargeable fan with 360° adjustable airflow and multi-installation options.Compact (187×206 mm), lightweight, with fast Type-C charging (~2 h) and built-in 1,200 mAh battery. Model: Remax F27 Fonzyr Series Circulation Desktop Fan Power: 5 W, operates on 5 V/1 A power supply Rotation: 360° adjustable airflow for full-range ventilation Battery: Built-in 1,200 mAh rechargeable battery; Type-C charging, ~2 hours charging time Dimensions & Build: Approx. 187 × 206 mm, lightweight ABS plastic housing (~697 g) Installation: Designed for desktop use, wall mounting, or hanging—ideal for multi-location placement
LG 27 inch 4K IPS Monitor 27UP850N-W is designed for sharp visuals, productivity, and content work. It features a 27-inch UHD IPS display with accurate color performance. Additionally, it supports HDR10 and USB Type-C connectivity. Therefore, it works well for office use, creative tasks, and media viewing. The LG 27UP850N-W delivers 3840 × 2160 resolution with a 60Hz refresh rate and 5ms response time. Moreover, it includes VESA DisplayHDR 400 and DCI-P3 95% color coverage for improved color accuracy. It also provides USB-C with up to 90W power delivery, HDMI, and DisplayPort inputs. In addition, it supports AMD FreeSync for smoother visuals during light gaming and video playback. Furthermore, it includes ergonomic adjustments such as height, tilt, and pivot support. As a result, users can maintain a comfortable viewing position during long work sessions. It also includes built-in features like Reader Mode and Black Stabilizer for eye comfort and better detail visibility. manufacturer link Specifications: 27-inch 4K UHD (3840 × 2160) IPS display VESA DisplayHDR 400 with DCI-P3 95% color gamut USB Type-C with up to 90W power delivery 60Hz refresh rate with AMD FreeSync support Height, tilt, and pivot adjustable ergonomic stand
The MSI MAG 275F 27″ 180Hz Gaming Monitor delivers an immersive gaming experience. With a fast 180Hz refresh rate, it ensures ultra-smooth gameplay. This makes it perfect for competitive gaming and fast-paced action. The 27-inch IPS display offers stunning visuals with vibrant colors and sharp details. It provides a Full HD resolution, making games look crisp and realistic. Wide viewing angles ensure consistent colors from any position. With a 1ms response time, this monitor reduces motion blur and ghosting. Every movement appears clear and precise. This gives you a competitive edge in fast-action games like shooters and racing games. The MSI MAG 275F supports Adaptive Sync technology, eliminating screen tearing and stuttering. This ensures a fluid gaming experience, even in the most intense moments. You’ll enjoy smooth visuals without lag or interruptions. Designed for long gaming sessions, this monitor features anti-flicker and blue light reduction technology. It helps reduce eye strain, allowing you to play comfortably for hours. The adjustable stand lets you set the perfect viewing angle. Connectivity is simple with multiple ports, including HDMI and DisplayPort. You can easily connect your PC, console, or other gaming devices. This makes the MSI MAG 275F a versatile choice for all gamers. With a sleek, modern design, this monitor enhances any gaming setup. It combines performance with style, making it a must-have for serious gamers. Upgrade your gaming experience with the MSI MAG 275F 27″ 180Hz Gaming Monitor today! Specifications: Display : 27″ Rapid IPS Resolution : 1920 x 1080 (FHD) Refresh Rate : 180Hz Response Rate : 0.5ms
LB-LINK BL-WN510BT – Compact USB Bluetooth 5.1 adapter with up to 20m range and support for multiple device types.Ideal for connecting headsets, gamepads, and more to PCs with strong, stable wireless performance. Model: LB-LINK BL-WN510BT Bluetooth Version: Bluetooth 5.1 (backward compatible with 5.0/4.2/4.0/3.0/2.0) Interface: USB 2.0 (Plug-and-Play) Operating Range: Up to 20 meters (unobstructed) Data Transfer Rate: Up to 3 Mbps Supported Profiles: A2DP, HSP, HFP, AVRCP, HID, PAN, FTP, SPP, etc. OS Compatibility: Windows 7 / 8 / 8.1 / 10 / 11 (Driver may be required for Win 7) Not natively compatible with macOS or Linux OS Compatibility: Windows 7 / 8 / 8.1 / 10 / 11 (Driver may be required for Win 7) Not natively compatible with macOS or Linux Functions: Enables PC or laptop Bluetooth connection with headsets, keyboards, mice, speakers, gamepads, printers, etc. Supports dual-mode Bluetooth (BR/EDR and LE) Functions: Enables PC or laptop Bluetooth connection with headsets, keyboards, mice, speakers, gamepads, printers, etc. Supports dual-mode Bluetooth (BR/EDR and LE) Power Consumption: Low Energy (LE) support for improved efficiency Security: Enhanced encryption and pairing features for secure connections Size: Ultra-compact nano design Weight: Less than 5g Plug & Play: Driver-free on Windows 10 and 11
The ViewSonic VA2710-mh 27″ 60Hz Monitor brings stunning visuals to your desk. With its 27-inch Full HD display, you can enjoy vibrant colors and sharp details, perfect for work, entertainment, or gaming. This monitor features a sleek and modern design, making it a stylish addition to any workspace. The slim bezels provide a clean and uncluttered look, enhancing your viewing experience. The ViewSonic VA2710-mh offers versatile connectivity options, including HDMI and VGA inputs. This makes it easy to connect your computer, laptop, or gaming console, ensuring compatibility with various devices. With a 60Hz refresh rate, the ViewSonic VA2710-mh delivers smooth and fluid visuals. Whether you’re watching movies, playing games, or working on graphic design, you’ll appreciate the clarity and responsiveness of this monitor. The SuperClear IPS panel technology provides consistent brightness and accurate colors from any viewing angle. This means you can enjoy the same high-quality visuals, whether you’re sitting directly in front of the screen or off to the side. The ViewSonic VA2710-mh is designed for comfort and productivity. It features flicker-free technology and a Blue Light Filter, reducing eye strain during extended viewing sessions. This makes it an ideal choice for those who spend long hours in front of their screens. In conclusion, the ViewSonic VA2710-mh 27″ 60Hz Monitor combines stunning visuals, versatile connectivity, and a sleek design for an exceptional viewing experience. Upgrade your setup today and enjoy vibrant and clear visuals with the ViewSonic VA2710-mh monitor. Specifications: Display : 27″ IPS Resolution : FHS 1920×1080 Refresh Rate : 60Hz Response Rate : 5ms
The Xiaomi TV A Pro 65 2026 delivers sharp visuals with its 65″ QLED 4K display. It shows clear detail in movies, games, and series. The 3840 × 2160 resolution brings rich textures and crisp images. This makes watching and gaming feel immersive and cinematic. Moreover, the Xiaomi TV A Pro 65 2026 uses a QLED panel covering a wide color gamut. Colors appear vivid, bright, and natural. Dark scenes stay deep, and highlights stay clear. In addition, the TV supports HDR standards like HDR10+ and HLG. This enhances color range, brightness, and contrast. Scenes look more realistic and cinematic. Furthermore, the Xiaomi TV A Pro 65 2026 includes smooth motion processing. Fast scenes stay fluid without blur or stutter. Also, the smart TV system offers easy access to streaming apps and content. You can use voice control and casting with built-in smart features. Connecting devices and streaming content becomes quick and simple. Moreover, the audio performance delivers clear sound and good balance. Dialogue and music come out strong and balanced. This makes movies and series more immersive without needing extra speakers. Overall, the Xiaomi TV A Pro 65 2026 blends picture quality, cinematic color, and smart features in one strong TV. It works well for movies, gaming, and everyday entertainment. This television is ideal for users seeking a high-quality display for home viewing. Specifications: Display Type QLED Resolution 4K, 3840 × 2160 Speaker 2 x 10W Dimensions including base (L × W × H) 1445*391*900mm Dimensions not including base (L × W × H) 1445*75*833mm CPU Quad cortex A55 GPU Mali-G52 MC1 RAM 2GB ROM 8GB
BenQ RE6504 65” 4K UHD Interactive Flat Panel with Android 13 is a large interactive display designed for classrooms, meeting rooms, and training environments. It combines a 4K touchscreen, built-in Android system, and collaboration tools for interactive presentations. It features a 65-inch IPS panel with 3840 × 2160 (4K UHD) resolution. Therefore, it delivers sharp visuals and wide viewing angles for group interaction. In addition, it supports up to 40-point touch input for multi-user collaboration and writing. Moreover, the panel runs Android (EDLA certified, Android 14/13 depending on region) with built-in apps and Google services support. As a result, users can install apps, browse content, and run teaching or presentation tools directly on the display without an external PC. The RE6504 uses precision IR touch technology. Therefore, it provides fast and accurate writing with low delay. In addition, it includes anti-glare and tempered 9H glass for durability and better visibility in bright rooms. Furthermore, it includes multiple connectivity options such as HDMI, USB, USB-C, OPS slot, and LAN. As a result, it supports laptops, media players, and modular PC systems for flexible installation. It also includes built-in speakers and collaboration software tools. Therefore, it supports presentations, whiteboarding, screen sharing, and remote teaching or meeting scenarios. Finally, the BenQ RE6504 delivers a large 4K interactive workspace with Android integration, multi-touch control, and strong connectivity for education and business use. Specifications: Display: 65-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch for collaboration System: Built-in Android (EDLA support with Google services) Glass: Anti-glare 9H tempered glass for durability Connectivity: HDMI, USB, USB-C, OPS slot, and LAN support
Logitech C270 HD webcam — 720p USB camera with built-in mic and automatic light correction. Solid pick for video calls, remote work, or basic streaming. This is the Logitech C270 HD Webcam, a budget plug-and-play USB camera suited for everyday video calls. It doesn’t strive for professional streaming quality, but it reliably handles meeting needs, student calls, or backup cam duties. Key Features & Functionality Records video in HD 720p at 30 fps Fixed focus lens (no autofocus) Built-in mono microphone with noise reduction (captures voice clearly in standard environments) Automatic light correction (RightLight / similar tech) to adjust in low or uneven lighting Universal mounting clip: works on laptop lids, monitors, or can sit on a shelf USB 2.0 interface, 1.5 m (≈ 5 ft) cable length Technical Specifications Strengths & Limitations Pros: Reliable and easy to set up: plug and play Good for video calls in decent lighting Noise suppression in mic helps reduce background hiss Affordable alternative if your built-in camera fails Cons: Only 720p — not ideal for high quality streaming Fixed focus — manual adjusting can’t zoom/focus No privacy shutter (you may need stickers or external cover) Color and sharpness aren’t top tier under weak light
MSI Modern MD271UL 27″ 4K Business Monitor is a 27-inch IPS display for office work and creative tasks. It shows 4K UHD resolution (3840 × 2160) for sharp text and clear images. Additionally, it fits well in modern minimal setups. Moreover, MSI designed this monitor for color accuracy and productivity. It supports wide color gamut for design and editing work. Therefore, it suits professionals who need reliable visual quality instead of gaming speed. In addition, MSI Modern MD271UL 27″ 4K Business Monitor includes USB-C connectivity with power delivery. This allows a single cable connection for compatible laptops. It also includes HDMI and DisplayPort for flexible use. Furthermore, it adds eye-care features to reduce strain during long sessions. The monitor runs at 60Hz for stable and consistent performance. It works well in offices, studios, and home workspaces. As a result, it supports multitasking and daily productivity with ease. MSI Modern MD271UL 27″ 4K Business Monitor delivers sharp 4K visuals, strong color accuracy, and simple USB-C connectivity for professional use. Specifications: 27-inch 4K UHD IPS display (3840×2160) USB-C with power delivery support Wide color gamut for accurate visuals HDMI and DisplayPort connectivity Eye-care technology for long use comfort
The LG 34U530A-W 34″ WFHD IPS 100Hz Monitor delivers wide and immersive visuals that enhance work, entertainment, and gaming experiences. Its 34-inch ultra-wide display provides a larger view area that helps with multitasking, productivity, and movie watching. Moreover, the WFHD resolution ensures clear and detailed images so you can see content with accuracy and sharpness. This monitor features an IPS panel that offers wide viewing angles and consistent color performance, making it suitable for creative work, office tasks, and everyday use. Additionally, the 100Hz refresh rate delivers smoother motion during gaming and video playback compared to standard displays. The sleek white design fits easily into modern home and office setups without taking up too much space. The LG 34U530A-W includes multiple connectivity options that allow you to connect laptops, desktops, and other devices with ease. Furthermore, its ergonomic tilt adjustment helps maintain comfortable viewing during long sessions. Therefore, it is ideal for home users, students, professionals, and gamers who want a versatile monitor. Finally, it combines immersive wide visuals, smooth performance, and user-friendly design for everyday use. Specifications: 34″ ultra-wide WFHD monitor IPS panel with wide viewing angles 100Hz refresh rate for smoother motion Sleek design with versatile connectivity Comfortable for work, entertainment, and gaming
Are you searching for the ultimate gaming monitor? Look no further! The MSI G274QPF-E2 27″ 180Hz Gaming Monitor is designed to take your gaming experience to the next level. With its exceptional features, it’s perfect for both casual and competitive gamers. Firstly, let’s talk about the stunning display. The MSI G274QPF-E2 features a 27-inch screen that delivers crystal-clear images. Enjoy every detail with a high resolution that makes your games come to life. Whether you’re exploring vast open worlds or engaging in fast-paced action, this monitor ensures an immersive experience. The standout feature of this monitor is its 180Hz refresh rate. Say goodbye to screen tearing and motion blur. With a high refresh rate, every frame is displayed smoothly, giving you a competitive edge in fast-paced games. Your gameplay will be seamless, and your reactions quicker. In addition, the MSI G274QPF-E2 boasts a fast response time. This means less ghosting and clearer visuals during intense gaming sessions. Every movement on screen is sharp and precise, enhancing your overall gaming experience. Moreover, the monitor supports Adaptive Sync technology. This feature synchronizes the refresh rate of the monitor with your GPU, reducing screen stuttering and tearing. Enjoy a fluid gaming experience, free from distractions. The MSI G274QPF-E2 is also designed with gamers in mind. It has a sleek, modern design that fits perfectly in any gaming setup. The adjustable stand allows you to find the perfect viewing angle for extended gaming sessions. In conclusion, the MSI G274QPF-E2 27″ 180Hz Gaming Monitor offers stunning visuals, smooth performance, and advanced features. Elevate your gaming experience with this top-of-the-line monitor. Get ready to immerse yourself in the world of gaming like never before! Specifications: Display : 27″ Rapid IPS Resolution : 2560 x 1440 (WQHD) Refresh Rate : 180Hz Response Rate : 1ms GTG
The LG 32GN650-B 32″ UltraGear Monitor delivers smooth and immersive visuals for gaming and entertainment. It features a 32-inch QHD display with crisp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion during fast-paced games. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time reduces blur and ghosting during competitive gaming. The anti-glare screen helps minimize reflections in bright rooms. HDMI and DisplayPort inputs allow easy connection to gaming PCs and consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is ideal for gamers, streamers, and home users alike. Therefore, it supports competitive gaming, media streaming, and everyday computing. Finally, it combines sharp visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 32″ QHD VA panel Resolution: 2560 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
Looking to add a touch of efficiency to your workspace? Meet the ViewSonic 24″ 60Hz Touch Monitor TD2455. With its intuitive touch functionality, this monitor redefines productivity. First and foremost, let’s talk about versatility. The TD2455’s 24-inch display size strikes the perfect balance between screen real estate and desk space. Enjoy ample room for multitasking without overwhelming your workspace. Transitioning to touch capabilities, the TD2455 offers a responsive and intuitive touch experience. Navigate through applications, annotate documents, and interact with content effortlessly with just the touch of your fingertips. Moreover, its ergonomic design ensures comfortable viewing angles, reducing strain during extended work sessions. Tilt, swivel, and adjust the height to find the perfect position that suits your needs. Additionally, with a refresh rate of 60Hz, the TD2455 delivers smooth and fluid visuals, enhancing the overall user experience. Whether you’re browsing the web, editing documents, or watching videos, every task feels seamless. Furthermore, the monitor’s Full HD resolution ensures crisp and clear imagery, making text and graphics sharp and legible. Say goodbye to pixelation and hello to clarity, enhancing your productivity and workflow. In conclusion, the ViewSonic 24″ 60Hz Touch Monitor TD2455 is a game-changer for professionals seeking a versatile and efficient display solution. From its intuitive touch functionality to its ergonomic design and crisp visuals, it’s the perfect addition to any workspace. Upgrade today and take your productivity to new heights. Specifications: Type-C Input Display : 24″ IPS Resolution : FHD(1920×1080) Refresh Rate : 60Hz Response Rate : 6ms
Samsung Odyssey G5 G50F 32″ QHD Monitor delivers sharp visuals and smooth gameplay for serious gamers. It features a 32-inch 2K flat display with high resolution. As a result, games look more detailed and immersive. Moreover, the VA panel ensures consistent colors and wide viewing angles. It maintains clear visuals from different positions. HDR10 support enhances brightness and contrast for deeper blacks and brighter highlights. Furthermore, the 165Hz refresh rate and 1ms response time reduce motion blur and lag. NVIDIA G-Sync compatibility and AMD FreeSync Premium help deliver smooth and stable frames. Finally, Samsung Odyssey G5 G50F 32″ Monitor includes gaming features like Black Equalizer and Virtual Aim Point. These improve visibility and accuracy. Players gain better control and performance in every match. Specifications: 32-inch QHD (2560×1440) display with sharp visuals and wide viewing angles VA panel ensures consistent colors and clear images from multiple angles 165Hz refresh rate and 1ms response time for smooth, responsive gaming HDR10 support for enhanced brightness, contrast, and realistic visuals Gaming tools like Black Equalizer and Virtual Aim Point for better accuracy
LG 32UN880-B 32 Inch UltraFine™ Display Ergo 4K HDR10 Monitor PICTURE QUALITY Screen Size 31.5″ Display Type IPS Response Time 5ms (GTG) Refresh Rate 60Hz Color Gamut (Typ.) DCI-P3 95% (CIE1976) Color Depth (Number of Colors) 1.07B Pixel Pitch (mm) 0.18159 x 0.18159 mm Aspect Ratio 16:9 Resolution 3840 x 2160 Brightness 350nits (typ) Contrast Ratio 1000:1 Viewing Angle 178º (R/L), 178º (U/D) Surface Treatment Anti-Glare INPUT/OUTPUT HDMI Yes x 2 DisplayPort Yes x 1 USB Type-C Yes Headphone Out Yes USB Down-stream Yes x 2 USB-C (DP Alternate Mode) Yes USB-C (Data Transmission) Yes POWER Type Adapter Input 100-240 Vac, 50/60 Hz Power Save/Sleep Mode (Max) 0.5W DC Off (Max) Less than 0.3W Power Consumption (Typ.) 160W Power Consumption (Max.) 55W Specifications: LG 32UN880-B 32 Inch UltraFine™ Display Ergo 4K HDR10 Monitor PICTURE QUALITY Screen Size 31.5″ Display Type IPS Response Time 5ms (GTG) Refresh Rate 60Hz Color Gamut (Typ.) DCI-P3 95% (CIE1976) Color Depth (Number of Colors) 1.07B Pixel Pitch (mm) 0.18159 x 0.18159 mm 1 Year Warranty
The LG 32MA70HY 32″ Monitor delivers large, clear visuals for work, entertainment, and everyday use.It features a 32‑inch screen with Full HD resolution for sharp images and smooth video.Moreover, the slim design fits well on desks in homes and offices. 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 reduces blur during moving content like videos and casual gaming. The LG 32MA70HY also includes HDMI and VGA ports for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle during long sessions.Low blue light and flicker‑safe features help reduce eye strain during extended use. This display suits students, professionals, and home users alike.Therefore, it supports productivity, media viewing, and everyday computing.Finally, it combines solid picture quality, reliable performance, and comfort features. Specifications: 32″ Full HD (1920 × 1080) IPS panel HDMI + VGA ports for PC and device connection Anti‑glare coating for comfortable viewing Tilt‑adjustable stand for ergonomic use Low blue light and flicker‑safe eye care
The Samsung 98″ Crystal UHD DU9000 4K Tizen OS Smart TV UA98DU9000UXTW uses a 98-inch LCD panel with 3840 × 2160 4K resolution. It is built for large rooms where screen size matters more than advanced display processing. Samsung uses the Crystal Processor 4K to handle image processing and upscaling. It converts lower-resolution video into higher clarity output for the 4K panel. It also supports HDR10 and HDR10+, which improve contrast between bright and dark areas for compatible content. The TV runs at a native 60 Hz refresh rate. It includes Motion Xcelerator to reduce blur in fast scenes. This helps improve clarity in sports and basic gaming. Samsung Tizen OS powers the smart system. It gives access to streaming apps, internet browsing, and SmartThings integration. The interface responds quickly and supports easy navigation. The TV includes Wi-Fi and Bluetooth for wireless connections. It also provides multiple HDMI ports with eARC support, USB ports, Ethernet input, and optical audio output. It supports Auto Low Latency Mode for gaming consoles. Overall, this model focuses on large-screen 4K viewing, standard HDR support, and basic smart TV functionality without advanced local dimming or high-end gaming features. Specifications: 98-inch LCD panel with 3840 × 2160 (4K UHD) resolution Samsung Crystal Processor 4K with 4K upscaling HDR10 and HDR10+ support Tizen OS smart platform with streaming apps HDMI, USB, Ethernet, Wi-Fi, and Bluetooth connectivity
