... and USB charging socke Magic speaker for iphone,mutual inductance speakers for smartphone Function: a,Iphone 4s,iphone 4,iphone 3GS,iphone 3G,ipod touch 4,and ... , equipment and two mobile phone supportd,Speaker for mobile devices,such as nokia,samsung,sony ericsson,ecte,Magical amplification mobile ... .automatic switch.f, Any device with an AUX-In 3.5 mm interface. Specification: .Power output: 2 w * 2 ...