Smart IC technology: automatically detects and provides the optimal charging current for connected devices such as apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices- ensuring the faster, more efficient charge
Full-speed charging: 4 ports (22.4A + 21a) could max up to a 34w/6.8A output, available for charging four devices simultaneously
Size for travel: compact design, 100v and 240v input, foldable us plug with UK eu removable adapters and weighs only 6.7 Oz - for home, business, and travel