Battery capacity: 4000mAh
Bluetooth Version: CSR 4.0
Transmission distance: 10m
Input voltage: 5V/ 1A
Output voltage: 5V
Output power: 3W
Work voltage: 3.7V
LED lamp power: 1W
3 LED modes: Normal, Weak, Flash
Speaker: 4O
SNR: =90dB
Frequency response: 20Hz – 20KHz
Distortion: 1%
Music time: =5hrs
Standby time: =30 days
Size: 156 x 51 x 51 mm
Color: Brown
Weight: 260g

Package include

1 x S1 bluetooth speaker
1 x USB charge cable
1 x Manual