Interface: USB3.0. USB3.0: high speed transmission port,let your live streaming to Twitch, Youtube, OBS, Potplayer and VLC more easily. Audio input: HDMI embedded. Audio output: HDMI loop out. OS: Supports Windows 10 / Windows 8.1 / (Windows 7 (SP1)need install driver) Linux (kernel version 2.6.38 and above).