Supply Voltage:  3V(3-4.5V,2*AA)
Output power:  2W(1KHZ,THD10%)
Frequency Response:  150-20000HZ
Signal&noise ratio  ≥65dB
Rated Impedance:  4Ω±0.5Ω
Circuit Current:  ≤300mA
Supply Voltage Rejection:  ≥48dB
Speaker Unit:  Diameter:(36/4Ω/2W)
Case Material:  EVA+PU
Dimensions:  13.2*14.5*5CM
Weight:  300 g
Color:  Red/Orange

Function:

1.0 SPEAKER SYSTEM, mini portable loudspeaker                       

Function:MP3 format
Can play music by link to mobile phone、MP3、MP4、PC、IPOD and other audio devices.
Power Source:
2 AA Battery

Accessories:

 3.5mm audio cable tie-in 

Packing Details:

Product Dimensions:  15*11*4.5CM
Carton size:  　  58*34*51.5cm
QTY/CTN:(pcs)  　  60
N.W/G.W:(kg)  　  14KG / 15KG

OEM/ODM,Customized Logos/Designs are Welcome