Featuers: *USB2.1A charger, Bt version 5.0+EDR *Support Bt/TF card/U disk player, Bt hands-free calling *The screen can show the frequency, *Support power and memory function *Support charge while listening to songs *Precise structural design, piano paint appearance *Noise cancellation function, built-in noise cancellation circuit, make the call sound clearer *Interface: High Speed USB2.0 *Screen: LED screen *Power Source: Cigarette Lighter Power *USB output: 2.1A *Memory Card Type: TF Card *Support TF card / U disk capacity: 16GB *Power supply: DC12-24V *Support file type: MP3/WMA *Operating Current: 50-100mA DC12V *Bit rate: 64-320kbps *FM frequency range: 87.5-108MHz *Signal to noise ratio: 85db (FM: 65db) *Harmonic distortion: <0.05% FM: <0.1%) *Working temperature: 0C-60C *Suitable models: DC12V -24V universal *Launch distance <5 meters *Material:ABS *Color:Black/White/Golden/Pink *Size: 8*5*3.7cm Package included: 1 x Car MP3 Player 1 x User Manual How to use: 1. Insert the device to car cigarette lighter outlet, start the car for Power ON; 2. Tune the car radio and device to a same blank channel, such as if car radio is 87.5MHz, the device must be 87.5MHz to, press [CH] to adjust frequency; 3. Turn on the Bluetooth-compatible of phone, searchBT-Car"and Pair with it, pair successfully, play phone music, sounds will comes out from car speaker. TF/USB Flash Music playing: If insert the TF card or USB flash drive, it will automatically play USB music; Long press [Answer] button to swtich music mode between USB/TF/Bt modes Bluetooth-compatible mode: Short press [Answer] button: Answer / Hang up call; Long press [Answer] button: Reject call Double press [Answer] button: Redial last phone number