A simple USB powered HDMI to HDMI unit that extracts digital optical and/or analogue audio from a HDMI source signal. Easy to install and operate, this handy little device is ideal for use with games consoles, LED TVs, projectors and Blu-ray players that have no optical audio or 3.5mm headphone output.Input connections: HDMI (4K)vbCrLfOutput connections: HDMI (4K), Optical (Toslink), 3.5mm (Stereo)vbCrLfPower : input: DC/5V (micro USB)vbCrLfDimensions: 60 x 58 x 22mmvbCrLfWeight: 102gvbCrLfVideo resolution: Up to 3840 x 2160 @ 30HzvbCrLfHDMI version: 1.4bvbCrLfHDCP version: 1.4vbCrLfAudio output: Stereo, DSD and HD (HBR)