Portable Mini high quality sound Bluetooth Speaker

Power supplier: DC5V 
Output power: 2W
Frequency: 120Hz—18KHz
Signal&noise ratio ≥60dB
Impedance: 4 OHM(Ω)
Output: 3.7V~4.2V+0.05V  
Input: 5V
Speaker Unit: 31mm
Case Material: ABS
Weight: 60g
Color: 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 

Accessory
1)USB power supply cable
2)3.5mm audio Cable