Features: 1. 1.44 inches Large Screen can show incoming call number, voltage level in car battery, volume, FM frequency and song name if you play music from TF card or USB flash disk. Easy to read at night and in the day.
2. Four Playing Modes. A: Play music from Bluetooth-enabled devices via FM signal; B: stream music from TF card, supporting music files like MP3, WMA, WAV; C: transmit music from USB flash disk; D : stream music from your MP3 player, old speaker, tablet etc to the car stereo system via 3.5mm audio cable.
3. Dual USB ChargingStations. Charge two devices simultaneously. Max current output: 2.1A, provide fast charging speed.