The LB-LINK AX900 USB WiFi adapter delivers fast and stable wireless connectivity with WiFi 6 technology and speeds up to 900Mbps. Featuring dual-band support (2.4GHz + 5GHz), it’s ideal for upgrading PCs and laptops for smoother streaming, gaming, and online work. The LB-LINK AX900 USB WiFi Adapter is a modern wireless solution designed to upgrade your computer to the latest WiFi 6 (802.11ax) standard. It offers improved speed, better network efficiency, and stronger stability compared to older WiFi adapters. With dual-band support, you can connect to either the 2.4GHz band for long-range stability or the 5GHz band for higher speed and lower latency. Its compact USB design makes it perfect for desktops and laptops needing fast internet without installing internal cards. WiFi 6 (802.11ax) Technology for faster performance and better efficiency AX900 Speed (Up to 900Mbps) for smooth streaming and downloads Dual Band Support: 2.4GHz + 5GHz for flexibility and stability USB Plug & Play easy installation (driver may be required) Low Latency Connection ideal for gaming and video calls Compact Portable Design perfect for laptops and desktops Improves WiFi Performance for weak built-in adapters Ideal for PCs and laptops that need faster WiFi speeds and stronger connectivity. Perfect for online gaming, HD streaming, Zoom/Teams meetings, and stable browsing.
Logitech MK120 Wired USB Keyboard Mouse Desktop Combo Height: 6.10 in (155 mm) Width: 17.72 in (450 mm) Depth: 0.93 in (23.5 mm) Weight: 19.4 oz (550 g) Cable length: 4.9 ft (150 cm) Height: 4.45 in (113 mm) Width: 2.44 in (62 mm) Depth: 1.50 in (38 mm) Weight: 3.17 oz (90 g) Cable length: 70.87 in (180 cm) Spill-resistant design 1Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse the keyboard in liquid. Adjustable keyboard height 10-Key Number pad Caps lock indicator light Num lock indicator light Up to 10 million keystrokes (excludes number lock key) Key type: Deep profile Sensor Technology: Optical tracking Number of Buttons: 3 (Left/Right-click, Middle click) Scrolling: line-by-line Scroll Wheel: Yes, optical Mouse plastics: 72% post-consumer recycled material 2Excludes plastic in cable assembly, printed wiring assembly (PWA) and packaging. Keyboard plastics: 54% post-consumer recycled material 3Excludes plastic in cable assembly, printed wiring assembly (PWA) and packaging. Windows® 10,11 or later Two available USB ports
The Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor delivers smooth, fast visuals for games and everyday use. Its Full HD (1920×1080) resolution shows clear detail in games, videos, and work. The 27-inch screen gives you a large viewing area for wide action and immersive gameplay. This helps you see more and stay focused. Moreover, the Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor features a high 180 Hz refresh rate. This high refresh rate makes motion fluid and clean on screen. Fast games and action scenes appear more detailed and responsive. In addition, the monitor offers a rapid 1 ms (MPRT) response time. This helps reduce ghosting and keeps fast visual shifts clear. Controls and movement feel precise and snappy. This enhances gameplay performance in fast shooters or racing games. Furthermore, the Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor uses a VA panel with strong contrast (3000:1) and decent brightness (250 cd/m²). This delivers deeper blacks and vivid colors, improving visual quality for games and movies. It also covers around 95% sRGB for solid color representation. Also, the monitor supports adaptive sync with AMD FreeSync to reduce screen tearing and stutter when paired with compatible graphics cards. A slim 3-sided borderless design gives a clean modern look, and the ergonomic stand allows height, tilt, and swivel adjustments for comfortable use. Overall, the Samsung Odyssey G30D 27″ FHD 180Hz Gaming Monitor offers strong value by combining speed, clarity, and comfort. It suits gamers and everyday users who want smooth gameplay, responsive controls, and a clear large display. It is a solid choice for fast-paced games, casual gaming, and general computer use. Specifications: Display : 27″ VA Resolution : FHD (1920 x 1080) Refresh Rate : 180Hz Response Time : 1ms
NB OMS040 OMS040 NB STAND DESK TV INNOVATIVE SIT STAND DESK MOUNT: UNIVERSAL COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can berotated and tilted effortlessly in any direction, Tilt Angel from +9°to -12°with acombined +3°to -3° degree landscape rotation, Upright range is 17.1’’(435mm) withswivel angel ±90 degrees. The mounts extension and retraction 50.4’’ (1280 mm) and3.9’’ (100 mm) display height adjustment. EASY INSTALLATION: Built in durable gas-strut to hover at any workingpositions, Simple installation and easy to use, effortless operation; Switches fromsitting to standing position in just a few seconds. HAT6 STAND 6 LCD/LED DESK MOUNT 12”-24”-JTD003II6 -MAX-LOAD:10KG -TILT:+/-10 degree- SWIVEL:180 degree H148 Specifications: Specifications COMPATIBILITY: Fits Most 22” – 32” Monitor with the load from4.4 lbs up to 33lbs, VESA compliant 75x75mm 100x100mm. Come with ultra-widekeyboard tray, 25.6″L x13.4”W. Keyboard Tray pull out range 2”(50mm). FULL MOTION MOUNT: A Wide range of movements, The monitor can be rotated and tilted effortlessly in any direction
Arabic MacBook Pro Keyboard Cover 2023 2022 14 inch A2779 A2442 - Pro 16 inch A2780 A2485 M1-2022 MacBook Air Keyboard Cover 13.6 inch M2 A2681 Silicone Skin Ultra Thin, Arabic Language Arabic MacBook Pro Keyboard Cover 2023 2022 14 inch A2779 A2442 – Pro 16 inch A2780 A2485 M1-2022 MacBook Air Keyboard Cover 13.6 inch M2 A2681 Silicone Skin Ultra Thin, Arabic Language About this item Arabic Keyboard Layout Fits Perfectly 2023 MacBook Pro 14 inch keyboard cover A2779 A2442 M1 Pro Max Chip and Pro 16 inch A2780 A2485 2022 MacBook Air M2 keyboard skin A2681. Kuzy Mac keyboard cover have been engineered to fit snugly onto the low profile keyboard We employed the best industry standards in this Mac Book keyboard cover. Kuzy laptop keyboard covers made out of High Elastic Silicon. Every key is individually molded for a long lasting professional look. Advanced Spill and Dust Protection Soft Flexible and Washable Silicone keyboard skin makes typing quiet and soft to the touch. Flexible, environmentally smart keyboard protector design lets you roll up the MacBook keyboard cover for storage and travel. Quickly apply and remove Keyboard Cover Compatible with 14 inch MacBook Pro model A2779 A2442 also 16 inch MacBook Pro A2780 A2485 and 13.6 inch MacBook Air A2681. Maintain the longevity of your Apple device by eliminating key wear and tear with Kuzy computer keyboard covers
Samsung Monitor LS32BG850 32″Neo G8 4K Curved UHD Display Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 Dynamic Contrast RatioMega DCR HDR(High Dynamic Range)Quantum HDR 2000 HDR10+Yes Mini LED Local DimmingYes (1,196 zones) HDR10+ GamingYes Resolution3,840 x 2,160 Response Time1ms(GTG) Viewing Angle (H/V)178°/178° Color SupportedMax 1B Color Gamut (DCI Coverage)95% (Typ) Refresh RateMax 240Hz Specifications: Specifications Screen Size (Class)32 Flat / CurvedCurved Active Display Size (HxV) (mm)697.306 x 392.234 Screen Curvature1000R Aspect Ratio16:9 Panel TypeVA Brightness (Typical)350 cd/㎡ Peak Brightness (Typical)1000 cd/㎡ Brightness (Min)300 cd/㎡ Contrast Ratio Static1,000,000:1 3 year warranty
MIC K9 WIRELESS ( LIGHTNING ) FOR IPHONE BLACK MICROPHONE MIC K9 WIRELESS ( LIGHTNING ) FOR IPHONE BLACK MICROPHONE 20M Connection distance for 360° RADIO Wireless lavalier microphone use 2.4G connection, which is more stable than the Bluetooth microphone, and the transmission distance can reach 65 feet without wires. Built-in omnidirectional condenser microphone, can capture sound in all directions, 360° wide-range recording, no dead ends, and avoid missing recording. Automatic Synchronization of Noise Reduction Mini lapel mic has advanced intelligent noise reduction technology and windshield, which can filter out most of the external noise and wind noise, and clearly present the recording content. It can synchronize the background music and human voice of the mobile phone in real time, reduce video post-processing, and provide professional full-band audio. 10H Working Time The wireless lavalier microphone has a built-in rechargeable battery, which can provide more than 10hours of battery life after about 2 hours of charging. The ultra-low delay of 0.015S ensures the synchronization of audio and video, bringing a better experience to your game live broadcast, and staying away from the trouble of delay.
Genuine Apple sleep/wake sensor flex cable (Hall effect sensor) for MacBook Air 13.6″ (Model A2681, 2022, M2)—ensures automatic display sleep when the lid is closed and wake-on-open functionality. OEM part number 821-04129-02. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip (all colors: Silver, Space Gray, Starlight, Midnight). Apple Part Number: 821-04129-02 (exact OEM service part). Function: Contains the Hall effect sensor that detects the magnet in the MacBook Air’s display lid. This allows macOS to: Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Location: Mounted near the right side of the keyboard, adjacent to the battery and logic board. Common Failure Symptoms: MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use Part Type: Flex cable with integrated Hall sensor—not just a cable, but a calibrated magnetic sensor module. Installation Note: Requires full bottom case removal and careful disconnection of the battery. The sensor is adhered near the I/O area—do not bend or puncture. Recommended for experienced technicians.
The MSI Pro MP272 E14C is a 27‑inch FHD monitor built for business and productivity. It delivers clear Full HD visuals with a fast 144 Hz refresh rate. Furthermore, its IPS panel provides wide viewing angles and accurate colors, making work and multimedia more enjoyable. It supports a 1 ms (MPRT) response time, which reduces motion blur in videos and fast‑moving content. In addition, Adaptive‑Sync technology helps smooth gameplay and reduce screen tearing. The monitor also includes HDR Ready support for improved contrast and detail. Moreover, the design features a four‑side slim bezel for a clean look and immersive viewing experience. It offers anti‑glare treatment and built‑in speakers for convenient multimedia use. As a result, the MSI Pro MP272 E14C enhances productivity and comfort whether you work, create, or play. . Specifications: 27‑inch FHD (1920 × 1080) IPS panel with wide viewing angles 144 Hz refresh rate with 1 ms (MPRT) response time Adaptive‑Sync support and HDR Ready for smooth visuals HDMI 2.0 and USB‑C (DP Alt Mode with 15 W PD) connectivity Built‑in speakers, anti‑glare surface, and slim bezel design
The MSI MAG E18 32-inch curved gaming monitor delivers smooth performance and immersive visuals for modern gaming setups. It features a wide display that enhances focus and creates a more engaging experience. Therefore, users can enjoy both casual and competitive gameplay with better visual coverage. Moreover, the WQHD resolution provides clear and detailed images for games and multimedia. The curved design improves viewing comfort and keeps content within your natural field of view. In addition, the 180Hz refresh rate ensures fluid motion during fast-paced scenes. The fast 0.5ms response time reduces motion blur and improves clarity in action sequences. As a result, players gain better control and precision. Furthermore, the panel maintains consistent colors and wide viewing angles, which enhances overall visual quality. In addition, adaptive sync support helps eliminate screen tearing and stuttering. This creates a more stable and enjoyable gaming experience. The monitor also includes multiple connectivity options, allowing easy integration with gaming systems and PCs. MSI MAG E18 32 monitor offers a strong balance of speed, clarity, and immersion. MSI MAG E18 32 monitor is a reliable choice for gamers who want smooth performance and consistent visuals. Specifications: 32-inch WQHD (2560 × 1440) curved display 180Hz refresh rate for smooth gameplay 0.5ms response time for reduced motion blur Curved panel for immersive viewing experience Multiple connectivity ports for flexible setup
POUT E3 Angle - Adjustable Angled Ergonomic Laptop Stand Riser - Notebook Computer Holder Compatible w/MacBook Air Pro Dell HP & More 11"-17" Laptops - Foldable & Portable w/ 5 Angles (Silver) POUT E3 Angle – Adjustable Angled Ergonomic Laptop Stand Riser – Notebook Computer Holder Compatible w/MacBook Air Pro Dell HP & More 11″-17″ Laptops – Foldable & Portable w/ 5 Angles (Silver)
BenQ PD3205U 32” 4K UHD IPS Monitor | 3840×2160 | 3 Years Warranty is a professional 32-inch display designed for productivity, creative work, and Mac/PC users who need accurate colors and a large workspace. It uses a 31.5-inch IPS panel with 4K UHD resolution (3840×2160). Therefore, it delivers sharp text, clear images, and high pixel density for multitasking and design work. In addition, it supports 99% sRGB and 99% Rec.709 color coverage for consistent and accurate color output. Moreover, it includes HDR10 support with up to 350 nits peak brightness. As a result, it improves contrast in supported HDR content while maintaining stable SDR performance. In addition, the monitor uses a 1000:1 contrast ratio for balanced image depth. The PD3205U features a 60Hz refresh rate and 5ms response time. Therefore, it focuses on productivity rather than competitive gaming. In addition, the IPS panel provides wide 178° viewing angles for consistent visuals from different positions. Connectivity includes USB-C with up to 90W power delivery. As a result, it can charge a laptop while sending video, data, and audio through a single cable. In addition, it supports HDMI 2.0, DisplayPort 1.4, USB-A, USB-B, and a built-in KVM switch for multi-device control. Furthermore, it includes Eye-Care technologies such as Flicker-Free and Low Blue Light modes. Therefore, it helps reduce eye strain during long work sessions. In addition, the ergonomic stand supports height, tilt, swivel, and pivot adjustments for better comfort. Finally, the BenQ PD3205U delivers a large 4K workspace, accurate color performance, and full USB-C docking functionality for professional and Mac-based workflows. Specifications: Display: 32-inch IPS panel with 3840×2160 4K UHD resolution Color: 99% sRGB and 99% Rec.709 coverage Brightness: 250 nits typical, up to 350 nits HDR peak Connectivity: USB-C 90W, HDMI 2.0, DP 1.4, USB hub, KVM switch Ergonomics: Height, tilt, swivel, pivot adjustable stand with Eye-Care features
Genuine-spec touchpad flex cable for MacBook Air 13″ (Model A1932, 2018–2019)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Air 13-inch (2018 & 2019, Model A1932, Model Identifier MacBookAir8,1) 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 touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS gestures like Force Click, three-finger lookup, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original in length, connector pitch, EMI shielding, and flexibility—ensures reliable signal integrity and long-term durability. Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and careful routing beneath the battery. The cable connects via a ZIF (Zero Insertion Force) socket on the logic board—must be properly aligned and latched without force. Recommended for experienced or certified technicians. Important: This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A1932 trackpad and Taptic Engine. Not compatible with MacBook Air M1 (A2337/A2338), M2 (A2681/A2941), or any MacBook Pro model. This is flex cable only—not a complete trackpad assembly. Must be used with the original or compatible A1932 trackpad and Taptic Engine. Not compatible with MacBook Air M1 (A2337/A2338), M2 (A2681/A2941), or any MacBook Pro model.
The Horion Interactive Flat Panel 98″ EDLA delivers immersive collaboration and boardroom-grade display features. It features a 98″ 4K UHD (3840×2160) LED touchscreen with up to 50-point Ultra Precision IR touch. Moreover, Android 13 with Google EDLA support ensures seamless access to Google Meet, Drive, and Docs. Also, the 48 MP AI camera auto frames active speakers for effective video conferencing. In addition, a full 8-array omnidirectional microphone system captures voice clearly from up to 12 m. Besides that, built-in audio includes two 20 W speakers and a 20 W bass speaker for rich sound. Furthermore, the panel uses dual‑band Wi‑Fi 6, Bluetooth 5.3, and NFC for wireless versatility. Therefore, mirroring and file sharing is fast and simple vianative casting or Miracast. It also offers USB‑C (video, audio, charge, touch), HDMI in/out, DisplayPort, VGA, Ethernet, and USB ports. Also, an ultra-fast response time (8 ms) keeps touch and annotation smooth. Plus, brightness is around 380–450 cd/m² and viewing angles reach 178° horizontally and vertically. The CPU combines quad-core A73 + quad-core A53 with Mali GPU, backed by 8 GB RAM + 128 GB storage. Importantly, the panel includes wireless dongle and smart pen for multi-user collaboration. Also, EDLA certification enables Google ecosystem integration including calendar, voting, and whiteboard apps. Moreover, touch latency below 30 ms ensures writing feels natural on-screen. For content sharing, the system supports built‑in voting, timers, and dual-screen mirroring control. Then, remote support and firmware updates keep the board secure and up to date. As a result, classrooms, boardrooms, and hybrid teams benefit from dynamic collaboration. In conclusion, the Horion 98″ EDLA provides advanced interactivity, strong WLAN, high-quality AV, and enterprise-level smart features. Finally, it is ideal for large-scale meetings, teaching, or creative teamwork. Specifications: Display : 98″ Resolution : 4K UHD 2160p Refresh Rate : 60Hz Ram : 8GB Storage : 128GB OS : Android 13.0
Philips 27E1N5900R 27-inch 4K monitor delivers ultra-clear visuals and modern connectivity for work and creative tasks. It focuses on high resolution, accurate colors, and USB-C convenience for clean setups. Additionally, it features a 27-inch IPS panel with 4K UHD resolution (3840 × 2160). This provides sharp detail and high pixel density, so it improves precision in design, editing, and multitasking. Moreover, it supports VESA DisplayHDR 400. As a result, it enhances brightness, contrast, and color depth for more lifelike visuals. The monitor includes USB-C connectivity with power delivery up to 65W. Therefore, it allows video, data, and charging through a single cable for a clean workspace. In addition, it uses IPS technology with wide 178° viewing angles. This ensures consistent colors and image quality from different positions. Furthermore, it supports MultiView with Picture-in-Picture and Picture-by-Picture. So it enables dual device viewing for efficient multitasking. It also includes LowBlue Mode and Flicker-Free technology. These features reduce eye strain during long working sessions. Philips 27E1N5900R 27-inch 4K monitor provides sharp visuals, flexible Specifications: 27-inch IPS panel with 3840 × 2160 4K UHD resolution DisplayHDR 400 for improved brightness and contrast USB-C with up to 65W power delivery 4ms GtG response time with wide 178° viewing angles MultiView support with PIP and PBP multitasking
A compact and reliable pre-owned Lenovo ThinkPad L390 with 13.3" display, 8th Gen Core i7, 8GB RAM, and 256GB SSD—ideal for mobile professionals and students who need performance and portability in a durable business laptop.
Fast-charging feature available on select iPhone and iPad models.
HP Series 5 524sa Monitor Overview The HP Series 5 524sa is a 23.8-inch Full HD monitor made for work and everyday entertainment. It combines clear visuals with built-in speakers. As a result, it offers a clean and simple desktop setup. 23.8-Inch Full HD Display This monitor features a 23.8-inch Full HD resolution. Therefore, text looks sharp and easy to read. Moreover, images appear clear and well balanced. Because of this, it supports long working and viewing sessions. In addition, wide viewing angles keep content visible from different positions. As a result, collaboration becomes more comfortable. Built-In Speakers for Simple Audio The HP Series 5 524sa includes integrated speakers. As a result, users enjoy sound without extra accessories. Moreover, this reduces desk clutter. Therefore, the setup stays neat and efficient. Smooth Viewing and Eye Comfort This monitor delivers smooth performance for daily tasks. As a result, scrolling feels natural. In addition, eye comfort features help reduce eye strain. Because of this, users stay comfortable during long hours. Connectivity and Easy Setup The monitor includes HDMI connectivity. Therefore, it connects easily to laptops and desktops. Moreover, setup is fast and straightforward. As a result, users can start working immediately. Slim Design and Mounting Support The slim design fits modern workspaces. In addition, VESA mounting support allows flexible placement. As a result, users can save desk space easily. Ideal for Home and Office Use This monitor focuses on clarity and convenience. Moreover, it suits office work, studying, and media viewing. In conclusion, it is a practical Full HD monitor with built-in speakers. Specifications: Size: 23.8-inch diagonal. Resolution: FHD (1920 x 1080). Refresh Rate: 100 Hz.
The Philips 242V8 24″ 75Hz Monitor is a great choice for home and office use. It delivers clear visuals and smooth performance. With its Full HD resolution, you can enjoy sharp and detailed images. This 24-inch monitor features a 75Hz refresh rate for fluid motion. It reduces screen tearing and stuttering, making it ideal for everyday tasks and casual gaming. The fast response time ensures smooth transitions between frames. The Philips 242V8 24″ 75Hz Monitor uses SmartContrast technology for deep blacks and bright whites. It enhances image quality, making videos and images look better. The IPS panel provides wide viewing angles with consistent colors. With Flicker-Free technology, this 75Hz monitor reduces eye strain. It also includes LowBlue Mode to minimize harmful blue light. This makes it comfortable for long hours of use. Connectivity is simple with HDMI and VGA ports. You can easily connect it to your PC, laptop, or gaming console. The setup is quick and hassle-free. The Philips 242V8 24″ 75Hz Monitor has a slim and modern design. It fits well in any workspace, whether at home or in the office. The adjustable tilt stand provides a comfortable viewing experience. This Full HD monitor is energy-efficient, helping you save on power consumption. It meets eco-friendly standards while delivering high performance. In conclusion, the Philips 242V8 24″ 75Hz Monitor is a reliable and affordable display. It offers smooth visuals, eye comfort, and a sleek design, making it a perfect choice for work and entertainment. Specifications: Display : 24″ IPS Resolution : 1920×1080 Refresh Rate : 75Hz Response Rate : 4ms Speaker : 2W x2
✅ Full Specifications: Model: A4Tech HS-30i Type: Over-Ear Stereo Headset Connectivity: 1 x 3.5mm Combo Jack (for audio + mic) Speaker Driver Unit: 40mm Microphone: Built-in adjustable boom mic Noise-canceling for clear voice capture Frequency Response: Speaker: 20Hz – 20kHz Microphone: 100Hz – 10kHz Impedance: 32 Ohms Sensitivity: Speaker: 105dB ± 3dB Microphone: -58dB ± 3dB Cable Length: Approx. 2 meters Design Features: Adjustable headband Soft ear cushions for long-term comfort Compatibility: PC, laptop, mobile (with combo jack)
