1. Mini and compact, it does not take up space in the bag
2. MICRO USB charging port, fully charged standby time for 4-6 hours
3. Use with masks, real-time loudspeaker, amplify sound, clear sound quality
4. Battery capacity: 400mAh
5. Charging time: 1.6H
6. Continuous use: about 5H
7. Output power: 1.6W
8. Speaker: 8 ohms/2W
9. Dimensions: 100x40x30mm
10. Weight: 45g
