Car MP3 Player FM Transmitter PD18W Fast Charging Car Bluetooth Hands-free AUX Play Car Charging: Features: New car bluetooth player car MP3 bluetooth player car hands-free dual usb talk Bluetooth music hands-free call intelligent fast charging voltage，detection，Dual USB smart fast charge battery voltage detection，Support Bluetooth music U disk playback and Bluetooth hands-free calls Support folder switching playback function, sorting and playing songs，Support power off memory function Noise reduction function, built-in noise reduction circuit, the call sound is clearer but practical design to make your driving safer and more comfortable, please every day Product Description: features: 1. Press and hold the knob for 3-5S, and when the number on the screen flashes, press the left /right to adjust the frequency 2. One-button answer/end phone function, more convenient 3. PD interface, more powerful function 4. The sound designed for this machine has been adjusted to the maximum state, and the volume needs to be adjusted, which can be adjusted through FM or mobile phone, so as to facilitate user operation contain: 1x FM transmitter mp3/mp3 player/mp3 & mp4 players/bluetooth player/mp3 players/music player/music player with bluetooth/mp3 devices/best mp3 player/portable music player/portable mp3 player/small mp3 player 100 new and high quality High sound quality gives you a better experience With this audio player, you can hear high resolution audio You can meet your daily needs and hear great music while you rest