Plug and play without drivers Support u-disk insertion Two monitors can display the main screen and extended screen of the same host computer separately. Two monitors can display the duplicate screen of the host computer Separate audio and microphone outputs on front end descriptive: Support 4K 60Hz screen display. Switching mode is convenient and fast, support button and controller switching. With audio, microphone output interface. Support the expansion of usb port, connect multiple usb devices Due to different batches, there may be differences in product appearance, color and text, which do not affect the use size: 14.6 x 6.1 x 1.7cm Material: Metal colour: silver Package Contents: 1 x mainframe 2 x usb cable 1 x desktop button Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.