Dual USB Wall Charger, 3.4 Amp, Black By Lenmar Dual USB, 3.4A output, Wall Adapter Charges and powers up to 1 tablet* and a smartphone or 2 smartphones. Can also power and charge 2 USB powered devices Travel-ready design, for use internationally with the correct international plug adapter (adapter plugs not included) Integrated foldable AC plug allows for ultimate portability Supports AC 100-240V input with auto switching 1 Year Warranty *Not compatible with Samsung 1st Generation Galaxy Tab