Suction Cup Style Bluetooth Speaker

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