... batteries,no cables ,no Electricity no power -wireless -portable Speaker For Mobile Phone 4g,self-powered speakerModel: LS-801Size ... 0.28kg Iphone Speaker-no need batteries,cables or Electricity,power. -Adjustable angle ,portrait and landscape.-Wireless,Portable,comfortable,AirCurve Play ... times decibels.3)This product is designed as a portable physical amplifier for Iphone4/Iphone 4S4)For Iphone slot ...