Blue tooth version: 5.0;
Function: can answer the phone, play mobile phone songs;
Battery: Built in rechargeable polymer lithium battery;
Connection distance: barrier free 10-15m; The battery capacity: 50mA;
The charging chamber capacity: 350mA; Charging time: 1 hour;
Singing time: about 6-7 hours;
Talking time: 6-7 hours;
Horn: 6mm copper ring horn