1. Bluetooth 5.3, chip: JLAC6925F
2. Battery capacity: 400mAh, charging for about 2 hours
3. Use time: 12 hours, standby time 200 hours
4, Size: 204*184*84mm; Weight: 199g
5. Support Bluetooth, TF card, AUX and other modes
6, Support Chinese and English prompt sound: double-click the function key in the unpaired state