ReTrack 3x1 Port HDMI Switch 4K Auto Switcher Box 3-Port High Speed for Full HD 4K 1080P 3D Player USB Adapter(Black)

ReTrack 3-Port HDMI Switch The HDMI switch is to connect more source devices to display on one screen (TV, projector or LED monitor). This switch with 3 input ports can connect 3 devices at the same time which can avoid frequent disconnection and reconnection. Save your time and money. 4k resolution supported This HDMI switch is updated with 1080P video transmission supported. HDTV deep color and 3D video are supported as well. You can enjoy high quality movie at home or build your own home theater. Powered from Connected Devices No extra power cable is needed to make this switch work. As long as the connected devices supply sufficient power, the HDMI switch is capable to automatically obtain power from connected sources devices.