3.5mm AUX to SPDIF One Way Converter - This analog to digital audio converter converts analog (3.5mm AUX) audio signals into digital (TOSLINK/SPDIF) signal.Plug and play, USB power supply is more stable, no driver installation is required, and the sound is transmitted synchronously after connection. The optical fiber plug has a snap-on design, which is not easy to loosen after inserting the device, and the plug and unplug are smooth.The TV is connected to the sound wall to create a home theater, enjoy the stereo surround sound effect and feel the shocking film and television experience. Support PCM, Dolby, DTS, 5.1 sound effects, enjoy cinema-level stereo surround sound at home. Powerful intelligent optical fiber core, light pulse transmission audio reduces electromagnetic interference, clearer sound quality, stereo sound, and say goodbye to current noise. Plug & Play: No driver installation required, Compatible with PC, Laptop, gaming consoles and projectors which can output audio signal through AUX jack. Colour:black Material:PVC+ABS+Alloy Attention: Optical end only output stereo channels, not 5.1 channel or 7.1 channel. The USB cable is for power only and must be powered with 5V USB power supply when in use. Attention: If you get buzz noise after installing, this may caused by ground loop, please try to plug USB power cable into a separate USB charger. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 x 3.5mm to Fiber Audio conversion cable 1 x 3.5mm male to male audio 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.