1 mini powered speaker, play time -15hours 2.Easy to use and charge for phones 3.2200mAh battery Power 4.CE ROHS,FCC etc NEWEST mini powered speaker   OEM & ODM service are welcome...Welcome to inquiry!  Spec.:  Portable External Battery for Mobile Devices2200mAh Lithium ion Battery CapacityHigh Quality & Full Frequency Speaker Switch On & Off through Detecting Audio SignalPower Input & Output through 1 USB Port.   More detailed pics:    Packaging:  

Various colors or customized colors:

NEWEST mini powered speaker