1. Bluetooth speaker mic inside hands-free function
2. Support TF card USB drive AUX FM
3. Rechargeable li-ion battery; charging port: Micro USB
4. Play time: 3-6H
5. Bluetooth distance: 10m
6. Bluetooth version: 4.0
7. Speaker power: 5W
8. Resistance: 4 ohms
9. F.R.: 100Hz-18KHz
10. Distortion: THD<10%
11. S/N: >=85DB
12. Battery: 3.7V/1500mAh
13. Product size: 130*95*105mm