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