bte5 car mp3 bluetooth-compatible kit 5.0 handsphone player music card audio receiver fm transmitter dual usb fast charger 3.1a bluetooth ki

comes with a 3.1a fast charging-port to deliver simultaneous high-speed charg-ing to driver and passenger. support u disk, tf card and mobile phone music playback rated operating voltage: dc12v-24v working voltage limits: 9-26v usb1 output: 5v/3.1a usb2 output: 5v/1.0a , read usb flash music. working temp: 0-50 support play format: mp3 2: support usb port charging current 5v-3.1a3: led screen, can display frequency points led screen can display frequency points. support power-off memory function. support chinese english prompt switching.