Overview: Charges most USB (Universal Serial Bus) devices & MP3 Players amp; works with most devices that can be charged with the USB (Universal Serial Bus) Port Input:AC 110-220V 50/60 Hz AC10m A Output:DC5.00±0.020V DC300±50MASave the hassle of finding a computer to charge your USB (Universal Serial Bus) devices A must for people who are constantly on the go & who need to charge their mp 3 playersfrequently Mini-size makes it easy to be carried about Specifications: Dimensions: 0 in x 0 in x 0 in Weight: 1.55