1. Support bluetooth mode/ TF card mode/ AUX mode 2. Support bluetooth devices to connect music playback and two-way conversation function 3. Support TF card APE, FLAC, MP3, WAV, WMV music format playback 4. Support TF card management, USB sound card, can connect two devices at the same time 5. Support iOS (Apple) system audio power display function 6. Built-in noise -cancelling high-definition microphone, one-key answering , support for hands-free calls 7. Built- in Chinese and English voice prompt function
