DURAGADGET In Car 2 Port Travel Charger Compatible With Fitbit Flex/One/Zip/Charge/Charge HR/Surge & Suunto Ambit 2 HR, Vtech Kidizoom Smartwatch Activity Tracker Two USB ports quickly charge your Smartwatch and another deivce at the same time! 2 Amp (1 amp per socket) gives enough power to quickly and efficiently charge Use your tablet while you charge - ideal for for charging on the go! Charges from standard auto (Car/Lorry) systems, both 12 and 24 volt Glass replaceable fuse for safety