Features 28? Big Screen & Stunning 4K UHD Resolution The HC284UPB with a 3840x2160 Ultra-HD (4K) resolution, offers superior picture quality and sharp images. With 4x more pixels than 1920x1080 Full HD resolution monitors, this Ultra HD monitor displays more content to maximize productivity. With 157 pixels per inch (ppi), the panel of the HC284UPB not only delivers you more image detail, you can also enjoy over 300% more workspace compared to conventional FHD monitors. USB 3. 0 HUB for Easy Connections USB HUB allows user to conveniently connect their plug&play multimedia devices such as USB webcameras, storage devices, peripherals and many other accessories which have USB connection available. NOTE that many devices like cameras and HDD may need to be powered On independently, as they have higher power requirements than the monitor USB HUB can provide. Lifelike Visuals with 178? Ultra-Wide Viewing Angle The Professional monitor HANNspree HC284UPB features a 16: 9 aspect ratio LED-backlit panel with a 178? ultra-wide view angle that minimises colour shift on both horizontal and vertical planes to ensure quality visuals from almost any direction. It delivers improved colour accuracy plus increased energy efficiency. The HC284UPB uses a 178?(H) / 178?(V) ultra-wide viewing angle Ultra-HD panel that eliminates colour shift from almost any direction and in nearly every angle. Speakers & Headphones The HC284UPB has twin built-in stereo speakers that provide quality, convenient audio. Enjoy movies, music, games and video calls without the hassle of connecting external speakers. Don\'t want to disturb anybody? Plug your headset to the headphone socket and turn the volume up VESA wall mount The HC284UPB complies with the VESA standard 100x100mm. Anti-Glare Coating The HC284UPB features an anti-glare coating which reduces the reflective light from the panel that otherwise makes the screen difficult to view and causes eye fatigue.