Monster Power Core 100 1 Port USB Surge Protected Socket - UK Top features: Includes two USB 2.0 ports to charge your portable devices £30,000 connected equipment warranty keeps your important devices protected Material:- Plastic Includes two USB 2.0 ports:- The Core Power 100 plugs into a power socket to protect your devices from energy surges. Offering 918 Joules of protection, the surge protector features two USB 2.0 ports. This allows you to charge your portable devices such as smartphones and tablets with ease.