Bluetooth main chip and Bluetooth version 5.0, high speed transmission without distortion, audio quality can reach HD standard. Use Bluetooth transmission to play real-time online music and update the audio source in time. Use a of 5-12V voltage input to adapt to different use environments. Compatible with for , , itunes and other applications. Fully compatible with for high media of 3G Multimedia Interactive System Interface System. Compatible: For A//C/E/M/S/R/W//ML/SL/// class 2009-2014 models with 3G HIGH interface system. For 4 4s 5 5s 5c 6s 7 8 X and Plus models Suitable for nano and touch Suitable for 2 3 Mini For Galaxy S3 S4 S5 S6 S7 S8 S9 Material: plastic colour: Black Package Contents: 1 x Bluetooth 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.