The Professional monitor HANNspree HS278UPB features a 16:9 aspect ratio LED-backlit panel with a 178° ultra-wide view angle that minimizes color shift on both horizontal and vertical planes to ensure quality visuals from almost any direction. It deliveres improved color accuracy plus increased energy efficiency.The HANNspree HS278UPB features an extensive array of connectivity and hardware interfaces with advanced connections to maximize the usability. It provides seamless connectivity with your PC and AV equipment with DP, HDMI and D-Sub ports. 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.The HS278UPB mounts a non-glare screen reducing eye fatigue by reducing reflective light that otherwise makes the screen difficult to view. Further to this also the bezel of the monitor is matt to prevent light reflection.The HS278UPB is equipped with stereo speakers, for clear audio that sounds like it's coming from a high end stereo system. The speakers deliver a true stereo effect for an enhanced listening experience, especially when displaying multimedia content during lessons, therefore removing the need for external speakers. With audio earphone output, users can connect an external headset to the monitors as well.