The Kensington AbsolutePower Dual USB Wall Charger allows you to charge simultaneously two tablets, smartphones, and other USB-charged mobile devices. And use appropriate USB adapter cables and your manufacturer's supplied USB charge cable to charge your Samsung, Lenovo or HP USB charged tablets. And charge other USB mobile devices such as Bluetooth headsets, digital cameras, camcorders, and MP3 players. The AC wall adapter provides up to 2.1 Amps per port to simultaneously charge two mobile devices. A low-profile design takes up just one AC outlet. And the detachable AC plug removes easily for storage and travel.