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4K HDMI Digital Audio ExtractorA 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.DetailsInput connections HDMI (4K)Output connections HDMI (4K), Optical (Toslink), 3.5mm (Stereo)Power : input DC/5V (micro USB)Dimensions 60 x 58 x 22mmWeight 102gVideo resolution Up to 3840 x 2160 @ 30HzHDMI version 1.4bHDCP version 1.4Audio output Stereo, DSD and HD (HBR)