... . Support USB Drive/SD Card 3. 1.8" LCD 4. Folder/Phonebook/Caller ID 5. Line-in Key Features:- Bluetooth mobile ... line-in function to play music from external audio player;- Folder function;- Memory function of last frequency, volume, etc;- Support auto ... Bluetooth car kit, supports USB Drive/SD card, FM transmitter, Folder/Phonebook/Caller ID