Usage Tips:Supports eARC and ARC inputs , fiber optic, , and 3.5mm headphone outputs ( only transmits audio signals and no images) output supports up to HD 5.1 and HD 7.1 channels Fiber optic interface supports up to 5.1 channels Supports transmission of 24bit/192KHz audio sampling rate Note: output only outputs audio, not output video. This product is designed to upgrade amplifiers or soundbars that do not support eARC function to be to connect with that support eARC function, so that they can obtain high-definition audio through the TV's eARC channel. It can also connect the audio signal of a TV that supports eARC to an amplifier or headphones through the fiber optic and analog stereo interfaces of this eARC audio converter. This eARC audio converter is also compatible with that have ARC function. and 3.5mm headphone output volume can be controlled by TV remote control (CEC) Supports input audio channel indicator lights Input interface:eARC/ARC output version: 1.4 output resolution:720P ( only transmits audio signals and no images) Output interface:HDMI1, fiber optic1, RCA2, 3.5mm1 Supported audio formats:PCM, AC3, DTS, DD+, DTS-HD , True HD Power interface:DC5.5 Power voltage and power consumption:DC5V/300mA Colour:Black Material:Plastic+Metal Package Contents: 1 * Converter 1 * USB power cable 1 * English User manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.