Usage Tips:[HDMI ARC Audio Return]Effortlessly mit TV sound via ARC to various outputs like optical, coaxial, and 3.5mm ports with this HDMI ARC adapter. Ideal for TVs lacking audio outputs, ensuring seamless connection to your sound system without the need for additional interfaces. [Plug and Play Convenience]Connect your TV and audio system effortlessly with no software or drivers required. Supports CEC function through its 3.5mm jack output, enhancing user convenience by simplifying the setup process and operational ease. [High-Resolution Audio]Supports a wide range of sampling rates (32, 44.1, 48, 96, 192 KHz) with a 24-bit S/PDIF bit stream on left and right channels. For optimal performance, use an AGW26 standard HDMI 1.4 cable to ensure high-quality audio mission. [5.1 Channel Support]Experience immersive sound with the optical and coaxial outputs supporting 5.1 channel audio. Ensure your TV's optical port is set to source output for consistent, uncompressed audio quality across all channels. [Simultaneous Audio Outputs]This versatile HDMI ARC to RCA audio converter allows simultaneous audio output across optical, coaxial, L/R, and 3.5mm headphone ports. Adjust your audio output settings to PCM or LPCM for optimal use with RCA and 3.5mm interfaces. Colour:Black Material:Metal Package Contents: 1 x Adapter 1 x USB cable 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.