handsbluetooth car kits for bmw audi vw universal automobiles wireless fm transmitter mp3 music audio player with qc3.0 quick charge support

1.multifunction. this bluetooth fm transmitter can transmit audio files from mobile devices to car stereo system via fm radio signal. it can display incoming phone number and monitor the voltage of car battery. it can play music files in the.flac, .wav, .mp3, .wma formats on an tf card with a capacity of up to 32gb. 2.large display screen. 1.8 inches screen is allowed to clearly display: name of english/chinese song, voltage of car battery and incoming phone number. 3.hands-calling. with this wireless device, you can conveniently answer/ hang off/reject/redial calls through hands-function.