1. Bluetooth speaker, mic inside, hands-free function
2. Support TF card, USB drive, AUX, FM, clock, alarm
3. Rechargeable li-ion battery; charging port: Micro USB
4. Play time: 4-8H
5. Bluetooth distance: 10m
6. Power output: 10W,
7. Speaker: 5W*2 50mm, 4 ohms
8. F.R.: 70Hz-18KHz
9. Distortion: THD+N=10%, S/N: >=80DB
10. Battery: 3.7V/2400mAh
11. Product size: 180*78*73mm