This is a new-tech product. mutual induction sound, no bluetooth, no WIFI,no configuration.only need to put your Mobile put on the Speaker Response area, then can bring about the Speaker function.
It is compatible with Iphone 4 s, Iphone 4, Iphone 3 gs, Touch4 and any other external speaker phones!
1.Magically amplify the equipment sound, such as iphone TM
1x3.5mm Audio cable
1 xLi-ion Battery