1.stream music via bluetooh 2.protable bluetooh with compact vacuum 3.clear and mellor sound 4.with MIC function

Specifications:

1.stream music via Bluetooh wireless technology2.portable Bluetooh wireless speaker with compact vacuum bass design streams music.3.Bluetooh single channel,Support bluetooth protocol:CSR4.AUX-IN for easy connection to almost any electronic device.5.10meter effective range6.Output power:3.7V,900mah, 3W7.Input sensitivity:89db8.THD:THD+N=0.3%9.Frequency response:100Hz-18KHz10.product size:95*90*60cm

11.Battery charge: 4hours

12.speaker size:4ohm, 52mm 

Mini bluetooh speaker with MIC for promotion gift