lacet marble blue UTILITY 4 Ampere 12 Watt USB thanks to the use 4 Ampere 12 Watt USB green port allows to charge up your smartphone and tablet faster than a conventional charger 10 minutes for deep sterilizationCompatible with all the smartphone: Apple LACETMARBLE is a neck chain with a marble effect finish It is the perfect solution for those who want to keep their smartphone immediately accessible