Optical to 3.5mm Converter Cable - This OPTICAL to AUX cable converts audio signal from OPTICAL/TOSLINK into stereo 3.5mm AUX ( can not be used for transfering audio from 3.5mm AUX to optical). Plug and play, USB power supply is more stable, no driver installation is required, and the sound is transmitted synchronously after connection. The TV is connected to the speaker, the sound quality is clear and full, the human voice is prominent, and you can enjoy the cinema-level audio-visual experience. The TV is connected to the power amplifier to transmit digital audio signals, bringing a better sound quality 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. Colour:black Material:PVC+Aluminum Alloy Note: Optical fiber interfaces are commonly marked with SPDIF, OPTICA, optical fiber, OPT, Toslink, etc. Check whether the device is a square optical fiber interface. Attention: Not support 5.1 or 7.1 channel audio, please change audio format of your TV or other audio source device to PCM or Stereo. USB cable must be plugged into 5V USB power port, otherwise it will not work. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Package Contents: 1 x Digital fiber audio converter 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.