With this spare charger you can keep your TomTom device fully charged while you drive Simply plug the adapter into your car cigarette lighter socket to charge your TomTom device in your car Product DescriptionTomTom USB Car Charger - power adapter - car Product TypePower adapter - car Compatible Mobile DevicesTomTom ONE - 2nd Edition, TomTom ONE XL, TomTom GO 520, TomTom GO 720, TomTom ONE - 3nd Edition GeneralProduct TypePower adapter - car &