... show 5.Muti-language Function&Features 1. Bluetooth car kit with DSP(Digital Sound Process)Technology which be installed on car ... sets2.Built-in FM transmitter,speaker3.Built-in rechargeable battery and back of device has polycrystalline silicon solar panel4.Direct ... power voltage range 12-24V 2012 new with FM transmitter,speaker, LCD screen,TF slot, USB and phonebook function Bluetooth Car Kit Mp3 ...