Dual USB car charger: 2 USB charging port to charge most USB Devices. Input 12V/24V, 1a port with USB reading and charge function; smart 3. 1 A charge port which can intelligently identify Android or iPhone devices and charging.
Bluetooth and more compatibility: wireless Bluetooth FM transmitter adapter for car radio/cassette, transfer calling/ MP3 music/ Cellphone voices to car radio speaker. (FM range from 87. 5 to 108 MHz). 5% Every hour low power consumption when use Bluetooth play music. Mobile navigation, voice broadcast. Compatible for iPad, iPhone 8, X, 7/ 7 Plus, 6S/ 6S Plus, 6/ 6 Plus, Samsung Galaxy, Google, LG, HTC Huawei Smartphones and Device with Bluetooth.
Hands free function: built-in microphone, switch to hands-free mode automatically from music playing status when receiving calls. Answer/reject/hand up/recall all in One key.
Car battery voltage function: Show 3 seconds voltage when plug into the cigarette port. Always keep battery state of health. Then it turn to automatic play mode.
Music playing function: support Bluetooth music/ USB disk/ TF card/ MP3/wma player. With anti-interference performance and noise suppression (CVC) technology. Listening to music while charging. Automatically connect memorized paired when power on. 12-Month worry-free !