[4K HDMI to HDMI Audio Extractor]HDMI to HDMI + Optical Toslink(SPDIF) + RCA(L/R) Stereo, One HDMI Input Convert to one HDMI + Audio (SPDIF+R/L Audio) Output.[3 Audio Mode Options]with Pass, 2CH and 5.1CH Three Audio Mode Options, SPDIF Output Supports Pass 2CH PCM, 5.1CH Dolby Digital, DTS (Dolby Digital Plus not Supported); Analog RCA L/R Output Supports 2CH PCM Stereo Audio.[2160P 4K High HDMI Resolution]Supports HDCP 1.4, Video EDID Pass Through, resolution up to 3840x2160@30Hz and 4096x2160@30Hz. Compatible with 2160p@30Hz/1080p@50/60Hz/1080i/720p/1576i/480p/480i. (Not for Amazon Fire TV, Fire TV Stick)[Wide Compatibility]Supports 24 bit/Deep Color 30bit, 36bit per Channel (36bit all Channel) Deep Color. Compatible with Blu-ray DVD Player SKY HD box PS3 PS4. (Note: 5.1 Channel not Supported on PS3)[Gold-plated Connector]Metal Casing Design, Overall Shielding without Signal Interference, Gold Plated Connector, Enhance HD Video Signals. Plug & Play.Features:Convert one HDMI input to one HDMI + Audio(SPDIF + R/L)output.Audio output supports: SPDIF + R/L analog Audio Output.Input Resolution: Up to 3840x2160 @ 30Hz; 4096x2160 @ 30Hz.HDMI to achieve the synchronization of audio signal separation. There are PASS/2.0CH/5.1CH three kinds of audio mode options.LED indication: When the converter is switched on,the red LED indicator will light. When it is connected to the HDTV successfully, the green LED indicator will light.size: 8.5x6.2x2.1cm Material:ABScolour:BlackPackage Contents:1 x 4K HDMI AudioExtractor1 x 5V USB Power CableOnly the above package content, other products are not included.Note: Light shooting 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.