1. Support Bluetooth mode/ TF card mode/ AUX mode 2. Supports Bluetooth device connection for music playback and two-way calling functions 3. Support TF card APE, FLAC, MP3, WAV, WMV music format playback 4. Support TF card management, USB sound card, and 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-click answer , supports hands-free calls 7. Built- in Chinese and English voice prompt function
