Specification:
Power supplier: DC5V
Output power: 3W*2,4OHM+20W,
Frequency: 20Hz--20KHz
Signal&noise ratio:85dB
Impedance: 4 OHM
Output: 3.7V~4.2V+0.05V
Input: 5V
Speaker Unit: 40MM+52MM
Case Material: Aluminium
Dimensions: Diameter55*70mm
Weight: 273g
Color: OEM
Lithium battery capacity: 600mAh

Functions
(1) line in
(2) bluetooth
(3) Charging Indicator
(4) vibration
(5) microphone

Packing
Color box: 113*65*110mm
Carton size: 57.5*34*25.3CM
QTY/CTN: 50PCS/CTN

Accessory
Multifunctional cable with both USB connector and 3.5mm Stereo connector