The AV Link 4K HDMI Digital Audio Extractor is 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.Extracts digital optical (Toslink) and/or Analogue (3.5mm headphone) audio signals from a single HDMI source deviceSimple plug and play installation and instant synchronisation without delaySupports HDMI input/output resolutions up to 3840 x 2160p @ 30HzUSB power lead suppliedSpecificationsInput connections: HDMI (4K)Output connections: HDMI (4K). Optical (Toslink). 3.5mm (Stereo)Video resolution: Up to 3840 x 2160 @ 30HzHDCP version: 1.4Audio output: Stereo. DSD and HD (HBR)Power (input): DC/5V (micro USB)Dimensions: 60 x 58 x 22mmWeight: 102g