ORICO DCA-4U Compact 4 Port USB Wall Charger Hub 2A-1A is compact and portable for carrying of travelling and it’s easy for access to one port of outlet or power strip. It has four ports, 2 x 2.1A and 2 x 1A highest power rating at 31 Watt / 6.2 Amps output, allowing 4 devices to be charged or powered at the same time and eliminates the need for multiple chargers and outlets. Compatible with iPhone, HTC, Samsung Galaxy Tab, Samsung Galaxy phone, Samsung Galaxy Note, Blackberry, MP3, digital camera and other USB devices.