Features: Extracts audio from a digital HDMI signal to your Amplifier, Soundbar, Speaker etc. 3.5mm stereo and L/R audio allow output separately to audio receiver without powering on your HDTV/Monitor. Automatically detect the EDID of the signal source and display to achieve the best link effect. Support 4K@30Hz/1080p@50/60Hz/1080i/720p/1576i/480p/480i. Support video color format:24bits/deep color 30bit,36bit with sync sound. Support HDMI V1.4. No external power adapter required for normal operation.Due to voltage supply each device can support is different and limited. Suitable for various HDMI source devices without dedicated audio output. Specifications: HDCP Version: HDCP1.4 HDMI-compatibleVersion: HDMI 1.4 HDMI-compatibleresolution: 4K@30Hz/1080p@50/60Hz/1080i/720p/1576i/480p/480i Support Video Color Format: 24bits/deep color 30bit,36bit Audio Output: SPDIF+3.5mm Audio Max Bandwidth: 340MHz Max Baud Rate: 10.2Gbps Input/ Output TMDS signal: 0.5-1.5Volts p-p(TTL) Input/ Output DDC signal: 5Volts p-p(TTL) Input Cable Distance: Less than 7m AWG26 standard cable HDMI compatible Output cable distance: Less than 8m AWG26 standard cable HDMI-compatible Max Working Current: 500mA Operating temperature range: -15 degree to +55 degree Power Supply: DC5V/1A Dimension (LxWxH): 58x53x21.9mm Package Included: 1x HDMI-compatible audio extractor 1x micro USB cable 1x User Manual