Specifications: Input ports: 2x HDMI Output port: 1x HDMI 1x HDMI Audio output: Support ARC/eARC function 1x Toslink Audio output: Support audio return channel function 1x Coaxial Audio output: Support audio return channel function 1x 3.5mm Jack output: Support audio extract function Supported audio formats: PCM 2.0, LPCM 5.1/7.1, Digital, Digital-plus, True HD, Atmos, DTS 5.1, DTS ES 6.1, DTS HRA, DTS HD Master, DTS:X Video Resolution: Up to 4k@60hz Color depth: 8 bits, 10 bits, 12 bits Supported RGB 8:8:8 Supported Ycbcr 4:2:2/4:2:0 Power supply: DC5V2A Feature: It has 2 HDMI inputs and 1 HDMI output with audio extraction function. Supports ARC and eARC functions. Audio extraction can be output through a 3.5mm audio jack, Toslink SPDIF, coaxial, or HDMI audio port. It allows users to use existing audio receivers to receive 4Kx2K@60Hz HDCP 2.3 content audio. The product also supports HDMI loop output and 10 bit HDR (high dynamic range) HDMI input support computer, laptop, for PS3, for PS4, for Xbox, for Blu ray DVD player, set-top box, etc. HDMI video output support: projector etc. Support ARC and eARC functions: Extract audio from the TV to a sound bar or amplifier. Connect the TV HDMI (ARC or eARC) port to this audio converter HDMI output (ARC/eARC) port using an HDMI cable, and then connect the optical cable, HDMI cable, or coaxial cable to the amplifier or sound bar. (Please note that eARC and ARC functions are only applicable to fiber SPDIF, coaxial, and HDMI audio ports) HDMI switch with audio extractor support HDMI 2.0b, HDCP2.2/2.3, RGB 8:8:8, 4k@60hz. Unique decent and durable metal material design, easy connection, durable. Suitable for home, office, meeting and other occasions. Product List: 1* HDMI 2.0b Switch 2x1 1* Remote Control(Not included 2*AAA batteries) 1* Power Cable 1* DC5V Power Adapter 1* User Manual