100% brand new and high quality.Multifunction: constructing with FM transmitter, hands free talking, FM radio, car charger and FM displayer.Hands-free phone call: built-in microphone, noise and wind suppressed by CVC technology create full duplex sound quality, allow you to make clear calls.Wider range: full FM radio frequency ranges from 87.5 to 108.0MHz, you will get a frequency without interference more easily and do not have to keep re-tuning it.Dual USB ports: One is designed for transmitting and reading the MP3 files automatically, the other supports charging compatible with Bluetooth enabled devices, like iPhone, iPad, tablet, Samsung and other smartphones.Monitor battery status: detect and display the voltage of car battery when power on.Multi protection: overcurrent protection, overvoltage protection, short circuit protection, overpower protection, over temperature protection.Memory function: automatically connect to its memorized paired Bluetooth device when power on.