1. It allows switching 2 HDMI inputs into 1 display, avoid plugging and unplugging the HDMI cable frequently.
  2. Also, it can extract digital audio embedded in HDMI and output it via Optical SPDIF and Coaxial(up to 5.1 Dobly Digital), RCA L/R and 3.5mm jack audio output 2CH stereo analog.

Specifications:

There are 2 ports HDMI input,1 port HDMI output with ARC function, Toslink output, Coaxial Output, L/R output, 3.5mm Jack output.

Coaxial and Toslink port output support audio return function (ARC)

3.5mm Jack port output and R/L support audio extract function ,it does not support ARC

support 480i/480p/576i/576p/720p@50/60Hz/1080p@50/60Hz/4Kx2K@20/30Hz with 24bit RGB/YcbCR 4:4:4/YcbCR 4:2:2.

Max.bandwidth per channel: 600MHz. Max. baud rate per display: 18.5Gbps

Compliant with HDMI2.0 ,HDCP1.4 /1.3 /1.2/1.1 HDCP2.2

Audio Supports LPCM 7.1CH,Dolby TrueHD,and DTS-HD Master Audio

Supports Dolby True-HD, DTS-HD, AC3, DTS, DSD. This HDMI Switch will output the Dolby True-HD, DTS-HD, AC3, DTS, DSD audio format, But can't decode these audio formats.

Support HDR 2K HDR10 Wide Applicability: Compatible with any HDMI devices such as Nintendo Switch, PS4 Pro, Xbox 360, Xbox One X, PS3, Beamer, DVB Receivers, Blu-ray Player, Apple TV 4, Laptop and HDTV/HD Monitor etc.