The NLUSB-CH2P4A is a NEWlink USB 2 Port 4.2 Amp charger that fits in a UK plug socket. It is the perfect solution to either powering or charging your USB devices. Ideal for for devices such as mobile phones, MP3 players, tablets and can charge two devices at 2.1Amp.Features• Output: 5v 4200mA(4.2Amp)• Watt: 21• Port Type: USB A Female x 2• Protection:- Over current protection- Over voltage protection- Short circuit protection• Compact Design