This USB 3.0 to HDMI HD adapter enables you to connect additional display devices (such as HDTV projector etc) to your desktop PC or notebook so that you can enjoy large-screen videos and music. - Output resolution can be up to 1080P (depends on your computer output signal resolution) - Compatible with USB 3.0 and USB 2.0: USB 3.0: Supports max. resolution: 1920 x 1080 USB 2.0: Supports resolution: 800 x 600 - USB input: Support USB 2.0 / USB 3.0 - HDMI resolution: max. 1080P/60Hz - Max. transmission rate: 5.0Gbps - Power: No external power supply is required powered by USB 3.0 Features: - Supports desktop PC or notebook USB 2.0 / USB 3.0 input; - Supports video output: HDMI signal supports HDMI 1.3b; - Conforms to USB 3.0 standard; - Supports USB 3.0 downward compatibility; - Supports functions: main display extended display mirror; - HDMI output resolution: supports 480P/576P/720P/1080P; - OS supported: Windows XP/ Vista / Win7 (32/64bit)/ Win8 (32/64bit) MAC: Mac OS X 10.6~10.8; - Supports muti-screen display function (PC OS: supports max. 6 screens; Mac OS: supports max. 4 screens) synchronously outputs audio and video signals to the HD display devices (HDTV projectors etc) easy to install and operate.