This is a USB 3.0 to adapter that can be used to connect your computer or laptop to tv. Enjoy a large screen ! It supports the resolution 1920x1080/60Hz video and 1.3b, and small and light weight making it a truly portable companion for your phone. Features - Brand: Uonlytech. - ColorBlack - Material: Plastic. - Size: 4x5.5cm. - Support resolution: 480P / 576P / 720P / 1080P - Made of material with black color, it is simple, durable and practical. - Mirror movies, videos, games and apps from computer or laptop via USB 3.0 / 2.0 to a larger screen - Support the resolution up to 1080P/60Hz , support 1.3b. - Small and light weight making it a truly portable companion for your computer - Support / Vista / (32 / 64bit) / Win8 (32 / 64bit) and X 10.6--10.8 operating system Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you Package list: 3 x usb adapter