high capacity Bluetooth Li-ion battery speaker
technical parameters:
Power supplier:DC5V
Output power:3W(1KHz,THD10%)
Frequency:200Hz——20KHz
Signal&noise ratio≥80dB
Impedance:4 OHM(Ω)
Li-ion Output:3.7V~4.2V+0.05V 
Li-ion Input:5V
Lithium battery capacity:500mAh
Speaker Unit:40mm
Case Material:ABS
Dimensions:Dia70mm*H50mm(closed resonation)
Weight:90g
Color:White/Black

Bluetooth Li-ion battery speaker
(1) Can play music by link to mobile phone、MP3、MP4、PC、IPOD
and other audio devices, if you devices have 3.5mm socket.
(2) Suitable for Promotion, Gift, Store for sell. Pocket size to carry anywhere
(3) Charging Indicator  
(4) Bluetooth connect to PC/Mobile/IPOD and so on
package details:
Color box size:11*5.5*12cm
Carton size:57*28*56.5CM
QTY/CTN:100pcs
N.W/G.W:13kg/14kg
20’GP:29942pcs
40’GP:64320pcs
Accessories
1)USB power supply cable
2)3.5mm audio Cable  

OEM/ODM,Customized Logos/Designs are Welcome