1. Support bluetooth mode / aux mode / tf card (maximum for 32g memory) / u disk / fm radio
2. Support bluetooth device to connect music playback and two-way calling function
3. Support ape, flac, mp3, wav, wmv music format playback.Built-in noise reduction hd microphone, one-button answering and support hands-free call
4. Ipx4 waterproof, bluetooth speaker + power bank function.Portable and support a variety of outdoor sports
5. Support usb sound card that can connect two devices at the same time.Support ios (apple) system audio power display function