Satechi Compact USB Surge Protector for Charging MP3 Players, iPhone, Blackberry, Android, and Windows Mobile Phones 1 grounded outlet and 1 powered USB port (1 amp) for charging your digital cameras, smartphones, MP3 players, and portable hard drives Electrical Rating 120V/15A USB Output 5V/1A Green LED protection indicator Compatible with: iPhone 6 Plus, 6, 5S, 5C, 5, 4S, 4, 3GS, 3G / iPad 2, 3, Mini / Samsung Galaxy S2, S3, S4, S5, S6 / Blackberry / HTC / Nokia / Droid / and more