... boss, managers, executives must have a mobile office, mobile 3G Internet office, mobile phone network more generally phone standby power ... supply, both back-up battery charger and a dual function, by different intelligence discharge adapter automatically adjusts ... in 1USBOutput interface, connected through different lines, to mobile phones,IPOD,PSP,MP3,MP4,PMPMobileDVDSo withUSBCharge rechargeable ...