DUAL USB CAR CHARGER : 3.1A and 1A,Input 12v/24v offer convenient and charger for you and your friends.1A usb port designed for reading USB MP3 music, and both can be used for charging.USB charging cable is not included.
BLUETOOTH AND UNIVERSAL COMPATIBILITY : Wireless Bluetooth FM transmitter adapter for car radio/cassette,Transfer Calling / MP3 Music / FM radio(range from 87.5 to 108 Mhz) . 5% every hour low power consumption when use bluetooth play music. Mobile navigation,Voice broadcast . Bluetooth connect distances : 5 meters. Compatible for Apple iPad,iPhone 8,x,7/ 7 Plus, 6s/ 6s plus, 6/ 6 Plus,5,4,SE, iPod touch,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 keypad.
CAR BATTERY VOLTAGE FUNCTION : Show 3 seconds of Auto voltage when put in the Car cigarette lighter and Speech battery case.Let you always keep battery state of health.Then it will enter the 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,From broken song began to play.