
1) Power supply: USB 5V
2) Output power: 2W
3) Frequency: 20HZ-18KHZ
4) Signal & noise ratio: 86DB
5) Impedance: 4 ohm
6) Output: 3.7V
7) Size: 62 x 62 x 55mm
8) Speaker unit: 40mm
9) Material: ABS
10) Bluetooth Compliant: CSR4.0
11) Lithium battery: 400mAh
12) With microphone, Support Handfree Function
