Specifications : Display Diagonal Viewing Size 86.27 cm 34.14 inches Preset Display Area (H x V) 799.80 mm x 344.80 mm 31.49″ x 13.18″ 267773.04 sq-mm (415.01 sq-inches) Panel Type In-Plane switching Technology Display Screen Coating Antiglare with hard-coating 3H Maximum Preset Resolution 3440 x 1440 at 60Hz Viewing Angles 178° vertical / 178° horizontal Pixel Pitch 0.233 mm x 0.233 mm Pixel Per Inch (PPI) 109 Contrast Ratio 1,000 to 1 (typical) Aspect Ratio 21:9 Backlight Technology LED edgelight system Brightness 300 cd/m² (typical) Response time 8 ms for NORMAL mode 5 ms for FAST mode Adjustability Height adjustable (115 mm), Tilt (-5° to 21°) Swivel (-30° to 30°) Pivot (N/A) PbP / PiP PbP (Yes) PiP (Yes) Daisy Chain Availability No Dell Display Manager Compatibility Yes, Easy Arrange and other key features Remote Asset Management Yes, via Dell Command Monitor Specifications – Service / Support Details 3-Year Advanced Exchange Service and Limited Hardware Warranty Color Support Color Gamut (typical): 99.9% sRGB, CIE1976 (90%), CIE1931 (75%) Color Depth: 1.074 Billion colors Color Calibration Accurancy Delta E < 3 (average) Color Calibration with X-rite colorimeter No Built-in Devices USB 3.0 super-speed hub (with 2 x USB 3.0 upstream port) 4 x USB 3.0 downstream ports Security Security lock slot (cable lock sold separately) Anti-theft stand lock slot (to panel) Compliant Standards BFR/PVC-free (Halogen-free) excluding external cables Meets NFPA 99 leakage current requirements Arsenic-Free glass and Mercury-Free for the panel only Product Safety, EMC and Environmental Datasheets Dell Regulatory Compliance Home Page Dell and the Environment Flat Panel Mount Interface VESA (100 mm) Audio Output 1 x Audio line-out Connectivity 2 x HDMI 2.0 (HDCP 2.2) 1 x DP 1.2 (HDCP 2.2) 2 x USB 3.0 Upstream port 2 x USB 3.0 Downstream port (side) 2 x USB 3.0 Downstream port (bottom) 1 x USB Type-C (DisplayPort DP1.2 Alternate Mode, Power Delivery up to 90W (Typical), and USB 2.0) Dimensions & Weight Height with stand (Compressed ~ Extended) 417.0 mm ~ 532.0 mm 16.42″ ~ 20.94″ Width 813.6 mm 32.03″ Depth 226.4 mm 8.91″ Height without stand 363.7 mm 14.32″ Width without stand 813.6 mm 32.03″ Depth without stand 58.4 mm 2.30″ Weight (panel only – for VESA mount) 8.2 kg 18.07 lb Weight (with packaging) 16.0 kg 35.27 lb Power Voltage Required 100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz / 3 A (typical) Power Consumption (Operational) 54 W (typical) 250 W (maximum)** Power Consumption Stand by / Sleep Less than 0.5W **Maximum power consumption with max luminance, and USB active. Environmental Operating Conditions Temperature Range Operating: 0°C to 40°C (32°F to 104°F) Non-operating: –20°C to 60°C (–4°F to 140°F) Humidity Range Operating: 10% to 80% (non-condensing) Non-Operating: 5% to 90% (non-condensing) Altitude Operating: 5,000 m (16,404 ft) max Non-Operating: 12,192 m (40,000 ft) max In The Box Monitor, Stand Riser, Stand Base 1 x Power cable 1 X DP Cable (DP to DP) 1 X USB Type-C Cable (C to C) 1 x HDMI Cable 1 x USB 3.0 upstream cable Quick setup guide Safety, Environmental, and Regulatory Information Factory Calibration Report 1 Year Warranty manufacturer link
LG 22 inch HD LCD Monitor E2290V is designed for clear visuals, slim styling, and daily home or office use. It features a 21.5-inch LED display with Full HD 1080p resolution for sharp picture quality. Additionally, it uses an ultra-slim 7.2mm design with LED backlighting. Therefore, it works well for productivity, media viewing, and general computer tasks. The LG 22 inch HD LCD Monitor E2290V delivers 1920 × 1080 resolution with a 5ms response time and 250 cd/m² brightness. Moreover, it includes a 10,000,000:1 dynamic contrast ratio for deeper image detail. It supports HDMI, DVI-D, D-Sub, and headphone out for flexible connectivity. Furthermore, the monitor includes tilt adjustment and anti-glare surface treatment for better comfort during long sessions. In addition, it supports Full HD viewing with 16.7 million colors and ENERGY STAR qualification. As a result, users get a stylish and practical display for everyday use. Specifications: 21.5-inch Full HD 1920 × 1080 LED display Ultra-slim 7.2mm monitor design 5ms response time with 250 cd/m² brightness HDMI, DVI-D, D-Sub, and headphone out Tilt adjustment with anti-glare screen surface
The Samsung Essential 24″ 75Hz Curved Monitor offers an immersive viewing experience for work, entertainment, or gaming. Its sleek design fits perfectly in any setup, adding style and functionality. This 24-inch curved monitor enhances your focus by wrapping the screen around your field of view. The curvature minimizes distractions, creating a more immersive and comfortable viewing experience. Whether you’re watching movies or multitasking, the curved design makes a difference. With a 75Hz refresh rate, this monitor ensures smooth visuals and reduced screen tearing. This feature is perfect for casual gamers and those who enjoy seamless video playback. The monitor’s Full HD resolution delivers crisp and vivid details, making everything look sharp and vibrant. The Samsung Essential 24″ 75Hz Curved Monitor comes equipped with Eye Saver Mode and Flicker-Free technology. These features reduce eye strain during extended use, helping you stay productive for longer. Whether you’re working or binge-watching, your eyes will thank you. Connectivity is simple with HDMI and VGA ports, allowing easy setup with various devices. Its compact stand provides stability and saves desk space, keeping your workstation tidy and organized. This monitor’s modern design and slim bezels make it a stylish addition to any desk. It’s lightweight and easy to adjust, offering flexibility for home or office use. Upgrade your visual experience today with the Samsung Essential 24″ 75Hz Curved Monitor. It’s an affordable and reliable choice for everyday use. Specifications: Display : 24″ VA Resolution : FHD (1920×1080) Curvature : 1800R Refresh Rate : 75Hz Response Rate : 4ms GTG
OEM-quality touchpad replacement (without flex cable) for MacBook Air 15″ (Model A2941, 2023)—in Space Gray finish—designed for precise Force Touch performance and seamless integration with the original chassis. Compatible With: MacBook Air 15-inch (2023, Model A2941) with Apple M2 chip. Part Type: Touchpad only—does not include the flex cable, Taptic Engine, or mounting hardware. Intended for technicians who will reuse or transfer the original internal components. Color: Space Gray—matches the original lower case of Space Gray A2941 models. Force Touch Ready: Fully supports pressure-sensitive gestures and haptic feedback when paired with the original Taptic Engine and logic board. OEM Build Quality: Matches Apple’s original surface texture, curvature, and responsiveness for consistent tracking and click feel. Installation Note: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive and alignment must be precise to avoid gaps or malfunction. Recommended for professional repair technicians.
HP 83A Black Toner Cartridge | Works with HP LaserJet Pro M201, HP LaserJet Pro MFP M125, M127, M225 Series | CF283A
Fast-charging feature available on select iPhone and iPad models.
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
BATTERY DELL 93FTF Laptop Battery Compatible with Dell Precision15 3520 3530 Dell Latitude12 5280 E5280 Latitude E5280 E5480 E5580 E5490 E5590 E5480 E5290 E5591E5491 Series D4CMT 4YFVG 83XPC 083XPC 11.4V 51Wh About this item Battery Type:3cell Li Polymer Best Quality Voltage &Capacity :11.4V 51Wh 4254MAH Safeguard features against incorrect voltage, short circuit, internal overheating 100% Brand new ,Grade A cells battery; Quality assurance;every battery has passed factory testing; 500+ recharge cycles over
The Lenovo Legion R25f-30 is a 24.5-inch FHD gaming monitor designed for competitive gameplay and fast response performance. It uses a VA panel with high refresh rate support and sharp Full HD resolution. Additionally, it targets gamers who need smooth motion clarity and low input delay. This monitor delivers a 1920 × 1080 resolution with a 240Hz refresh rate, which can be overclocked up to 280Hz in supported setups. Moreover, it features a 0.5ms MPRT response time for reduced motion blur during fast-paced gaming. The Lenovo Legion R25f-30 supports AMD FreeSync Premium to reduce screen tearing and stuttering. Additionally, it includes HDMI 2.1 and DisplayPort 1.4 for high refresh rate connectivity across PCs and consoles. It also provides 99% sRGB color coverage and 3000:1 contrast ratio for richer image depth. Therefore, it balances gaming performance with decent color accuracy for everyday use. The Lenovo Legion R25f-30 is built for esports-focused users who prioritize speed, responsiveness, and smooth visuals in competitive games. Specifications: 24.5-inch Full HD (1920 × 1080) VA gaming display 240Hz refresh rate with up to 280Hz overclock support 0.5ms MPRT response time for fast motion clarity AMD FreeSync Premium for tear-free gaming performance HDMI 2.1 and DisplayPort 1.4 connectivity support
Remax F21 Ruiyal Series – Oscillating water‑cooling fan with 4,000 mAh battery, digital display, and 6 wind levels.Portable and stylish small-table fan with 3 oscillation modes and mist spray cooling. Model: Remax F21 Ruiyal Series Water‑Cooling Oscillating Fan (White) Battery & Power: Built‑in 4,000 mAh battery; USB‑C rechargeable (details unspecified) Cooling Method: Water‑cooling spray system with turbine-style fan blades Wind Speed: 6 adjustable speed levels Oscillation: 3 movement modes—approx. 45°, 90°, or 120° Display & Controls: Digital display showing mode, speed, and battery indicators Dimensions & Weight: Compact tabletop size, ~868 g Power Consumption: Around 8W rated power
The ViewSonic VP2768A 2K 27″ monitor delivers professional-grade color accuracy for creators. First, it features Pantone validation and factory-calibrated colors for precise visuals. The monitor offers 2560×1440 resolution, 60Hz refresh rate, and ergonomic adjustments. In addition, it supports multiple connectivity options including HDMI, DisplayPort, and USB-C for flexible setups. Moreover, slim bezels and an anti-glare panel provide a comfortable viewing experience. Therefore, designers, photographers, and video editors can work with consistent colors and enhanced productivity. Specifications: 27″ 2K display with Pantone-validated color for accurate visuals 60Hz refresh rate and ergonomic adjustments for comfortable use Multiple connectivity options: HDMI, DisplayPort, USB-C Anti-glare panel and slim bezels for a better viewing experience Factory-calibrated colors enhance workflow for designers and editors
Its 31.5″ Rapid VA panel features a 1500R curve for immersive visuals. Plus, Dual‑Mode lets you switch between 4K@160 Hz or FHD@320 Hz resolution easily. Also, the monitor offers a fast 0.5 ms GtG response time to reduce blurring. Because of AMD FreeSync Premium, gameplay stays tear‑free and smooth. Moreover, VESA DisplayHDR 400 enhances contrast and color accuracy. It covers 97 % DCI‑P3, 93 % Adobe RGB, and 136 % sRGB for vivid colors. With HDR and AI Vision tech, dark scene details become clear. Also, it supports HDMI CEC, PIP, and PBP for multi‑device setups. Furthermore, ports include DP 1.4a, two HDMI 2.1, and USB‑C with 15 W PD. Also, anti‑flicker and low‑blue‑light tech reduce eye strain over long sessions. Plus, the frameless design gives a sleek look to your setup. The ergonomic stand adjusts tilt and height up to 130 mm. Moreover, headphone‑out jack adds audio convenience. Because of dual‑mode, you choose either crisp 4K or ultra‑fast FHD. Gamers love the 320 Hz FHD mode for competitive play. Also, movie and design work shine in 4K HDR mode. Additionally, AI Dual‑Mode auto‑switches resolution and refresh rate. Furthermore, build quality feels solid with metal stand and VESA mount. Also, cable routing is tidy despite downward ports. Thus, the MSI MAG 321CUPDF suits high‑end gaming and creative workflows. Upgrade today to enjoy ultra‑fast refresh, vivid visuals, and smooth gameplay. Specifications: Display : 31.5″ Rapid VA Resolution : 3840 x 2160 (UHD) / 1920 x 1080 (FHD) Curvature : 1500R Refresh Rate : 160Hz / 320Hz Response Rate : 0.5ms (GTG)
AOC 22B30HM2 22-inch 100Hz monitor delivers smooth everyday performance for work, study, and light gaming. It focuses on clear Full HD visuals, stable refresh rate, and eye comfort features for long use. Additionally, it features a 21.5-inch VA panel with Full HD resolution (1920 × 1080). This panel provides strong contrast and clear image quality, so it improves readability and general viewing comfort. Moreover, it supports a 100Hz refresh rate. As a result, it delivers smoother motion compared to standard 60Hz displays, especially during scrolling and casual gaming. The monitor includes a 4ms response time. Therefore, it helps reduce motion blur in fast-moving scenes and improves overall clarity. In addition, it supports Adaptive Sync technology. This reduces screen tearing and stuttering, so visuals remain stable during variable frame rates. Furthermore, it includes Flicker-Free and Low Blue Light technologies. So it helps reduce eye strain during long working or study sessions. AOC 22B30HM2 22-inch 100Hz monitor provides a balanced mix of smooth performance, comfort features, and reliable Full HD quality for everyday use. Specifications: 21.5-inch VA panel with Full HD 1920 × 1080 resolution 100Hz refresh rate for smoother visuals 4ms response time for reduced motion blur Adaptive Sync for tear-free performance Flicker-Free and Low Blue Light for eye comfort
The MSI PRO MP251 E2 24.5″ 120Hz Monitor is designed for smooth performance and vibrant visuals. It offers a fast 120Hz refresh rate, providing a fluid viewing experience for work and entertainment. Whether you’re working on tasks or watching videos, this monitor delivers clear and sharp visuals. With a 24.5-inch Full HD display, the MSI PRO MP251 E2 provides stunning image quality. The high resolution ensures crisp details, making it perfect for productivity and multimedia use. The IPS panel technology enhances color accuracy and wide viewing angles, ensuring consistent colors from any angle. The fast 120Hz refresh rate helps reduce motion blur and provides smoother visuals. This makes it great for video editing, casual gaming, and multitasking. You’ll experience a more responsive display that enhances your workflow. Setting up the MSI PRO MP251 E2 24.5″ 120Hz Monitor is easy. It comes with multiple connectivity options, including HDMI and DisplayPort, allowing you to connect your devices effortlessly. Whether you’re using a PC, laptop, or gaming console, this monitor fits perfectly into your setup. The monitor also features an eye-care design with flicker-free technology and a low blue light mode. This helps reduce eye strain, making it ideal for long hours of work or study. Its slim and modern design blends seamlessly into any workspace, saving desk space while enhancing your setup. The adjustable stand allows you to find the perfect viewing angle for comfort and productivity. Upgrade your display with the MSI PRO MP251 E2 24.5″ 120Hz Monitor and enjoy a smooth and vibrant visual experience. Specifications: Display : 24.5″ IPS Screen : FHD (1920×1080) Refresh Rate : 120Hz Response Rate : 1ms
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.
The Samsung 75″ QLED 4K Smart TV QA75Q7FAAUXTW delivers a premium viewing experience with advanced QLED display technology. It produces bright, sharp, and colorful images, so movies, sports, and games look detailed and immersive on the large 75-inch screen. QLED technology uses Quantum Dot enhancement to improve brightness and color accuracy. As a result, visuals appear more vivid and balanced across both dark and bright scenes. This helps maintain consistent picture quality in different lighting conditions and content types. Samsung Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for optimal performance. Therefore, the TV consistently delivers improved visuals without manual tuning. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity and detail. HDR support expands contrast and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action content by reducing blur and improving smoothness. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and allows quick switching between applications. In addition, the slim design with thin bezels gives the Samsung 75 QLED 4K Smart TV QA75Q7FAAUXTW a modern and premium appearance suitable for large living spaces. Overall, this Samsung QLED TV combines strong brightness performance, AI optimization, and smart connectivity for an immersive home entertainment experience. Specifications: QLED technology delivers bright and vivid picture quality 75-inch 4K display provides immersive viewing experience Vision AI optimizes picture and sound automatically in real time HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
Led Curved Gaming Monitor Display Screen Size (Inch):23.5 Screen Size (cm):59.8 Screen Size (Class):24 Flat / Curved : Curved Active Display Size (HxV) (mm) :521.3952(H) * 293.2848(V) Screen Curvature : 1800R Aspect Ratio : 16:9 Panel Type : VA Brightness (Typical) : 250cd/m2 Peak Brightness (Typical) : 250cd/m2 cd/㎡ Brightness (Min) : 200cd/m2 Contrast Ratio Static : 3,000:1(Typ) Dynamic Contrast Ratio : Mega DCR Resolution : 1,920 x 1,080 Response Time : 4ms (GTG) Viewing Angle (H/V) : 178°(H)/178°(V) Color Supported : 16.7M Color Gamut (NTSC 1976) : 72% Refresh Rate : 144Hz Specifications: Led Curved Gaming Monitor Display Screen Size (Inch):23.5 Screen Size (cm):59.8 Screen Size (Class):24 Flat / Curved : Curved 3 year warranty
WiWU WM108 Wimice Dual‑Mode Mouse – Bluetooth 5.0 and 2.4 GHz wireless mouse with 800/1200/1600 DPI, silent clicks, and ergonomic ABS housing.Long battery life (~6 months standby), USB dongle & silent design—ideal for travel, office, and quiet environments. Model: WiWU Wimice WM108 Connection Modes: Bluetooth 5.0 2.4 GHz wireless via USB dongle Connection Modes: Bluetooth 5.0 2.4 GHz wireless via USB dongle DPI Settings: 800 / 1,200 / 1,600 DPI (adjustable) Buttons: 3 standard buttons + clickable scroll wheel (4 keys total) Range: Up to 10 m wireless connectivity Material/Design: Lightweight (67–130 g, depending on source), ergonomic ABS plastic body, magnetic base or “super magnetic absorption” design Operating Range: ≈10 m Silent Clicks: Quiet operation—silent key action Dimensions: Approx. 108 × 64 × 36 mm Weight: 67 g cited by Star Tech and 130 g by others—likely lighter in official spec Compatibility: Windows, macOS, Linux, Android, etc. Plug-and-play, no driver needed
Get fully equipped with the Fantech P31 Hero Bundle, featuring a high-performance K515 Shikari RGB Keyboard, a precision VX9 Kanata Gaming Mouse, and a high-traction Vigil MP356 Mousepad. This all-in-one starter kit is designed to deliver a professional gaming experience with stunning RGB aesthetics and reliable durability. The Fantech P31 Hero Bundle is the ultimate “ready-to-play” solution for gamers who want quality peripherals in one cohesive package. Centered around the Shikari K515 membrane keyboard and the lightweight Kanata VX9 mouse, this bundle provides the tactile feedback and tracking precision needed for competitive gaming. Completing the setup is the Vigil MP356 control-type mousepad, ensuring your movements are smooth, stable, and accurate. K515 Shikari RGB Keyboard: A full-sized 104-key membrane keyboard featuring 6-key anti-ghosting and vibrant rainbow RGB illumination. Its floating keycap design is both stylish and easy to clean. Kanata VX9 Gaming Mouse: Lightweight (77g) and ergonomic, the VX9 is equipped with a high-accuracy sensor adjustable from 400 to 3,600 DPI, Huano switches rated for 5 million clicks, and 7 dynamic lighting effects. Vigil MP356 Mousepad: A premium control-surface mousepad (350x300mm) with anti-fray stitched edges and a non-slip rubber base to keep your gear firmly in place during intense matches. Plug & Play Simplicity: No complex drivers needed; simply plug into your USB ports and start gaming immediately across Windows or macOS systems. Integrated Multimedia Controls: Easily manage your volume and media playback directly from the keyboard without tabbing out of your game. Keyboard Model: K515 Shikari (Membrane, 104 Keys, RGB) Mouse Model: Kanata VX9 (Optical, 400–3,600 DPI, 7 Buttons) Mousepad Model: Vigil MP356 (Control Surface, 350 x 300 x 4mm) Interface: USB 2.0 Wired Cable Length: 1.8m (Mouse) / 1.5m (Keyboard) Compatibility: Windows 7/8/10/11, macOS, Linux 1 x K515 Shikari Gaming Keyboard 1 x Kanata VX9 Gaming Mouse 1 x Vigil MP356 Mousepad User Manuals
The HUAWEI IdeaHub S2-65 Interactive Display is a 65-inch smart collaboration screen designed for modern meetings and hybrid work. It combines a 4K UHD touchscreen with integrated conferencing tools. Additionally, it supports smooth writing, video meetings, and wireless collaboration in one device. Moreover, it delivers ultra-clear 4K resolution for sharp visuals and accurate detail. Therefore, presentations, documents, and video content appear clear and easy to read. Furthermore, it includes a built-in AI camera and advanced audio system. So, it improves remote meetings with clear voice pickup and intelligent framing of speakers. In addition, it supports wireless projection from laptops and mobile devices. Therefore, users can share content quickly without extra cables. It also includes a digital whiteboard for real-time collaboration. Also, the device runs on Huawei’s smart collaboration platform, which supports cloud meetings and multi-user interaction. Overall, the Huawei IdeaHub S2-65 delivers an all-in-one interactive display solution with strong collaboration tools, clear visuals, and smooth meeting performance for modern workplaces. Specifications: 65-inch 4K UHD interactive touchscreen Built-in AI camera for smart meeting tracking Integrated microphone and speaker system Wireless screen sharing support Digital whiteboard for collaboration