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TF卡，连接电脑，手机，MP3/4，支持蓝牙V2.1+EDR立体声，具有2.0功放输出，适用iphone，ipad，blackberry，notebook和其他蓝牙设备，带免提通话功能,输出功率：3W

Hifi Bluetooh Speaker with MP3/USB/AUX, Handfree call.

Specification:

*HIFI Bluetooth Design

*Can Read MP3 and USB Flash Drive funtion

*Aux Function ,5P Charging jacke

*Outlay Li battery

*FM Radio , hands free call

Battery Voltage :3.7V，800mAH

Frequency response :100-18khz

Jacket :3.5 mm audio jacket

Product size :73*69mm

Speaker Dia :500 mm

Resistance Impedence:4ohm

Power output :3W

Charging time 3-4 Hours

Playing music 4-8 hours