1、HDMI DAC audio converter, compatible with multiple interfaces, one-key for switching input. 2、Support for ARC, optical fiber, coaxial input switching, and support audio sampling rate of 192KHz. 3、Support simultaneously output of optical fiber, coaxial, RCA stereo, and 3.5mm stereo headphone. 4、Support 5.1 sound channel lossless transmission, adjustable ARC and 3.5mm headphone output volume with TV. 5、Perfect for home theater, teaching, training structure, meeting room, home appliance store, etc. Item Type: Converter Condition: 100% brand new Model: AY80_POR Color: Black Material: Aluminium alloy Power Supply Interface: Micro USB Maximum Operating Current: 100mA Working Environment Temperature: -10~+55℃ Storage Temperature: -20~+60℃ Working Humidity: 10~90%RH (No condensation) Storage Humidity: 5 ~ 95%RH (No condensation) Size: Approx. 90x73x21mm/3.5x2.9x0.8in 1 x User Manual 1 x USB Charging Cable 1 x Converter