Latest model of 4 USB Universal travel charger that switchesfrom 100-240V. Auto-ID technology automatically detects the USBdevice (tablets or phones) and delivers the correct current forrapid charging. Two simultaneous iPhone/ Samsung phones will chargein half the time as compared with the standard 1A charger. USprongs fold out of the way for easy compact travel and this setcomes with a bonus snap on UK / HK head