HDMI ARC Audio Extractor Digital DAC to RCA Coax SPDIF 3.5mm Converter Adapter Features: Support SPDIF output. Supports coaxial output. Support RCA stereo output. Support 3.5mm stereo headphone port output. 3.5mm stereo headphone port equipped with high-performance audio amplifier. Support switch noise reduction funtion. Supports no signal automatic mute function. Support transmission 192KHz audio sampling rate. Optical Fiber Coaxial Interface Supports 5.1 Channel Transmission. Specifications: Condition: Brand New Shell material: aluminum alloy Power supply interface: Micro USB Maximum working current: 65mA Power adapter specifications: AC 100V-240V, DC 5V/1A Working environment temperature: -10~55℃ Storage temperature: -20~60℃ Working humidity: 10-90%RH (no condensation) Storage humidity: 5 - 95%RH (no condensation) Product size: 80*58*21mm/3.14*2.28*0.82'' Package includes: 1 x HDMI-compatible ARC Audio Adapter 1 x Micro USB Cable 1 x User Manual