... service.4. backup battery Fit for Ihone,Ipad,Ipod,Mp3,Mp4 Player,5.power pack for iphone 4 Spec.1. Battery ... Cap,9Press the Button to show the power;10Press the button for 3 seconds to active or shutdown USB ... one by one when it is charged.; Fit for Mobile phone,MP3/MP4,PSP,NDS,ipod,iphone,ipad Carton ... Design for OptionAccessories1)10 PCS connectors 2)1 USB Charging ...