... 1.3.5mm audio jack mobile phone battery charger 2.Speaker built-in 3.LED torch 4.2600mAh capacity 5.CE,ROHS,FCC 3.5mm audio jack mobile phone battery ... to a predetermined position. 2,lnsert your 3.5mm plug into your mobile device 3,Turn up the volume no less than ... in 3 seconds. 5,It will shut down automatically in 60 seconds when you stop the musicAccessories: 3.5mm audio jack mobile phone battery ...