Main Features:

1. play TF card stored in mp3 files
2.3.5mm audio input general port,and can be used for other audio equipment headset use
3. Rechargeable battery,convenient and practical.
4.High quality speaker and sound cavity design,ensure high fidelity.CD quality effect.
5.Bluetooth 4.0/2.1
6.LCD Screen with information track and Flashlight

Detailed Parameters:

Bluetooth version:4.0/ 2.1+EDR
Input voltage:DC 5V
Speaker:32Ω 1W Φ40mm
Output power:200mW
Transmission distance:10M
Frequency response: 20Hz-20KHz
Work current:35mA
S/N:≥80dB 
Work voltage:3.7V
Distorsion:≤1%
Standby time:≥20days
Talking time:8H
Music play time:>8H

Charging Time: 5 H
Battery capacity:500mAh