3 in 1 Bluetooth Car Charger Colors changing Newest Highly recommendation 1. Bluetooth V4.2 hands-free calling 2. Supports stereo music playing from mobile phone via Bluetooth 3. USB 1 supports U-Disk and 5V/1A output 4. USB 2 supports 5V/2.4A 5. TF card supported 6. Supports Car battery voltage detection 7. FM frequency 87.5-108.0MHz 8. Supports A2DP9. Supports MP3 / WMA / WAV/ APE / FLAC