The Smart USB Port Carry-On Spinner by U.S. Traveler allows you to travel with convenience. The carry-on spinner features a built-in USB port and an interior power bank compartment. You can now recharge your electronic device conveniently. This 2-piece spinner luggage set is constructed of durable hardshell. Even when the luggage is fully packed, the 360-degree spinner wheels provide effortless mobility while traveling.