URANT Dual USB Quick Charge QC 3.0 Car Charger For Mobile Phone Bluetooth Handsfree Car Kit Car Audio MP3 Player Support TF 

  Product features:   1. Digital display, detection of automobile battery voltage 2. Support bluetooth 4.0/3.0/2.0 device connection, voice prompt for operation and telegraph number 3. Smart identification of various android and apple phones and other devices, quick charging QC3.0 5. Support echo cancellation and noise suppression (CVC) technology during phone calls 6. Support bluetooth stereo A2DP music playback 7. Support bluetooth hands-free phone, answer, hang up, refuse to receive, call back and other phone functions 8. Support external TF card /U disk interface (no more than 32G), lossless music format, and automatic power off memory function 9. New chip upgrade, 4.2 bluetooth chip Data interface: high speed USB2.0 TF card /U disk capacity: less than 32GB Power supply: dc12-24v Supported file type :MP3/WMA/WAV/FLAC Working current: 50-100ma DC12V Bit rate :64-320 KBPS FM frequency range: 875-108mhz (100KHz stepping) Signal to noise ratio: 85 db (FM: 65 db) Harmonic distortion :