1.Power supplier: DC5V
2.Output power: 3W(1KHz,THD10%)
3.Frequency: 200Hz-20KHz
4.Signal&noise ratio ≥80dB
5.Impedance: 4 OHM(Ω)
6.Output: 3.7V~4.2V+0.05V 
7.Input: 5V
8.Battery:Built-in 400mA/3.7V rechargeable battery
9.Case Material: ABS
10.Dimensions: Dia65mmXH117mm
11.Weight: 180g
12.Color: OEM


Can shape mini speaker Muliti-function:
                
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. Built-in li-ion battry
4. Play music from Micro SD card and USB disk
5.Support FM radio