Cable Matters 2-Outlet Travel Power Strip Surge Protector with 3.1A USB Charging Ports TRAVEL POWER STRIP WITH USB includes 2 AC outlets for a laptop and dual 3.1A USB charging ports for power-hungry mobile devices such as tablets and smartphones; USB phone charger protects and charges your devices with either USB ports or AC power USB SURGE PROTECTOR POWER STRIP has two 3.1 amp/15.5 watt USB ports to protect and charge two mobile devices simultaneously; Dedicated USB charging ports eliminate the need for proprietary wall chargers and re-charge faster than a computer USB port TRAVEL POWER STRIP WITH USB weighs only 8 oz and easily fits into your travel bag; Flexible 10 inch cord cleverly wraps around the body and plugs into a recessed receptacle for neat storage and convenient transport POWER SURGE PROTECTOR with USB ports offers a 306 joules surge rating and a metal oxide varistor with high energy dissipation to protect all connected devices; A diagnostic green LED verifies surge protection status at a glance so problems are noticed quickly SAFER CHARGING ANYWHERE with this portable laptop surge protector that powers, re-charges, and protects all your mobile devices on-the-go when connected to a single grounded electrical outlet