... & Factory price 4.ROHS Approval 2012 New Product Amplifier Speaker For Iphone 5,Iphone 4s & Samsung S3,S2,Galaxy Note 1.INTRODUCTIONThe ... sound from the internal speaker is magically amplified.This product is compatible with iphone 4S, iphone 4, iphone 3GS, iphone 3G, ipod Touch4 ... batteries will not be used. 2012 New Product Amplifier Speaker For Iphone 5,Iphone 4s & Samsung S3,S2,Galaxy Note