Product Features: 1. Bluetooth, AUX, FM audio transmission 2. Support for QC3.0, QC2.0, PD, FCP, AFC, BC1.2, 2.4A charging protocols, etc. 3. Support Bluetooth phone, music, navigation 4. Support output over-voltage protection, short-circuit protection, over-current protection, over-temperature multi-protection 5. Automatic reconnection Support AUX input, AUX output Ambient light With Ambient light size: 5 x 4 x 8cm Material: metal colour: silver Package Contents: 1 x Bluetooth transmitter 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.