portable hamburger bluetooth speaker

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: 400mAh
Speaker Unit: 40mm
Case Material: ABS
Dimensions: Dia70mmXH50mm
Weight: 78.2g
Color:Black,white/OEM
 
Functions
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                                                                                                                                                                                                                         

Accessories 
1)USB power supply cable     2) audio cable