Waterproof wireless bluetooth speaker
with Silicon Suction Cup & Microphone
Support Bluetooth V3.0+EDR
Transmission range: *0M
Built-in Li-ion Battery: 3.7V / **0MAH
Applicable for iPhone, iPod, mobile phone, computer, etc.
Support TF card function. Up to *2g.
Output voltage: 3.7V*4.2V
output power: 3.0W      Input: 5.0V
Loud speaker:  4 OHM /3W
Signal and noise ratio(SNR):  more than *5db
Frequency Response: *****8KHZ
Output distortion rate : less 1%
Materials:  ABS