1. Built in Bluetooth wireless transmission, hand free call function. 2. Stereo audio transmission protocol (A2DP V1.2). 3. Support TF card, vehicle Bluetooth, free call. 4. Support FM function and human voice prompt. 5. Support for external MP3/MP4/ input and other audio input functions (AUX). 6. Memory function: starts automatically from the last song. 7. It can be connected to a mobile phone or computer. 8. Stereo sound quality, bass surge, rotatable music.
