D-Link DUB-H7 USB 2.0 7-Port Hub - (2) iPad/iPhone/Smart phone Fast Charging Port (5) USB 2.0 Hub & Power adapter Type: USB Standards: USB 2.0/1.1 Max Devices Supported: 127 Ports: 7 x USB 2.0 Transfer Rate: 1.5/12/480Mbps Dimensions: 3.94 x 2.2 x 0.9 Weight: 0.19 lbs. Temperature: Operating: 32 to 104 Degrees F (0 to 40 Degrees C) Storage: -4 to 158 Degrees F (-20 to 70 Degrees C)