1. Function: answer the call, play/pause, volume +/-, switch up/down song,
2, Message recording, call reminder, alarm clock
3. You can design the dot pattern and text on the speaker by yourself
4. Support TF card playback, up to 32GB/ Aux in audio interface
5. Bluetooth version: V4.1
6. Built-in 4000mAh lithium polymer battery
7. Speaker charging time is about 6 hours / standby is about 100 hours / continuous use is about 10-12 hours