Speaker For Mobile Phone 4g,self-powered speaker -no batteries,no cables ,no Electricity no power -wireless -portable Speaker For Mobile Phone 4g,self-powered speakerModel: LS-801Size: 17.1x13.3x4.2cmGross Weight: 0.28kg Iphone Speaker-no need batteries,cables or Electricity,power. -Adjustable angle ,portrait and landscape.-Wireless,Portable,comfortable,AirCurve Play sound good and ...