1, Bluetooth 5.3; Chip: JLAC7006
2. Battery capacity: 400mAh, charging for about 2 hours
3. Use time: 40 hours; standby 200 hours
4. Material: ABS；Size: 193*170*76mm; Weight: 193g
5. Support Bluetooth, AUX, TF card mode
6. Support Chinese and English prompts: double-click the M key in unpaired state