? : Excellent sound quality with D.S.P solution for echo cancellation.Noise suppression (CVC).
? : Support USB disc and SD card.Apply to USB devices and MP3 player.
? : Transmitter powered by 12V car socket and remote powered by 1 - CR2025 battery (1x CR2025 battery NOT included).
? : Support MP3/WMA music format.Transmit the audio wireless to the radio.
? : Give a variety of smart phone charging.Swivel axis design, easy to use.