... Factory price 4.CE$ROHS 2013 New Product Amplifier Boose Speaker For Iphone 5,Iphone 4s & Samsung S3,S2,Galaxy Note 1.INTRODUCTIONBoose uses ... is compatible with iphone 4S, iphone 4, iphone 3GS, iphone 3G, ipod Touch4, and other mobile devices with an external speaker.2. FEATURES· ... with the placement of the device until the device and speaker sensors are in alignment.4.2 Volume ControlTo adjust ...