USB Charging/ Charger Adapter for HTC EVO 4G - Allows you to charge your EVO 4G with any computer or USB hub Increas the Voltage of your USB charger and make them can charge EVO 4G or similar devices Allows?you?to?charge?your?EVO 4G?with?any?computer?or?USB?hub, using the regular USB charger cable or other USB Car/Travel adapter Connect this plug adapter between your EVO 4G, USB Sync cable and any USB power source to charge your EVO 4G USB Cable not included