Handsfree car charger with FM transmitter & Bluetooth receiver1、Music Player: Compatible with most of the map software, more compatible with for QQ, for WeChat and other chat software for voice calls, cell phone Bluetooth connection, you can play all kinds of music in APP. 2、Voice Navigation: Support mainstream map APP, clear route and warning, voice navigation, the music sound automatically reduced; no navigation alert, restore the normal volume. 3、Good Sound Quality: Choose dual mode lossless audio Bluetooth 4.1 call chip, integrated MCU DSP dual core processor, and 24 bit audio encoder, compatible with MP3, WMA, FLAC format, compatible with for Android, for IOS system. 4、USB Charging Port: Car charger adapter is designed with 3 USB ports, supports charging three USB devices at the same time, such as phone, tablet, camera. 5、Plug and Play: Cigarette lighter transmitter is simple to use, just plug it in to the cigarette lighter socket of your vehicle, bringing you more convenience.