This stereo Bluetooth speaker is specially designed for cell phone， laptop/Tablet PC with Bluetooth function. Standard USB/ DC charging port， TF card port and audio input port make you easily enjoy your favorite stereo surround sound music.<br /><br />Functions Introduction:<br /><br />1.Built-in Bluetooth 2.1+ EDR wireless module<br />2.Bluetooth audio sound， perfect sound quality and bass effect<br />3.10m Bluetooth transmission distance<br />4.Support ， iPad and other decives with bluetooth function<br />5.Bluetooth hands free function， answer call easily<br />6.FM Radio function<br />7.Support TF Card<br />8.Bluetooth music controlling functions<br />9.Buit-in li-ion battery， with micro USB interface<br />10.3.5 audio input jack<br />11.All functions are based on touching operation on the speaker<br /><br />Package includes:<br /><br />1 x bluetooth speaker<br />1 x Audio Cable<br />1 x Micro USB Cable<br />1 x User Manual<br /><br />TECHNICAL PARAMETERS<br />Rated Impedance	4.0ohm	Weight	327g<br />Rated Power	2 x 3W	Loud Speaker	1.6inches<br />Rated Voltage	DC5V	Aux in	3.5mm audio jack<br />SNR	∫50dB	RMS	1.5W x 2<br />Sensitivity	800mV	Frequency Scope	180Hz-16KHz<br />Distortion	∵10%	Size	128 x 95 x 56mm<br />Power supply:USB DC5V Built-in Li-ion Battery