... quality speaker 1.It can be used for smartphone, tablet pc, PSP, GPS,Bluetooth, Camera and so on. Dual output port ... . It can connect to cell phone as a speaker and also be used for flashlight.2. Reference dataInput:MICRO ... suitable for smartphone Capacity: 6000mAhVolume: 3W+3WSpeaker: 4OM+4OM3.Accessories 6000 mAh Portable backup battery with speaker for smartphone,tablet pc,ipad ,digital camera etc ...