HE702C 1. Plug and Play 2. 7 ports USB 2.O for connecting more devices to your computer 3. Over-current detection and protection LED indicate working status 4. USB2.0( up to 480mps), Backwards compatible with USB1.1(12mps) 5. Self-powered model:500mA per port Ports:7 downstream USB type A receptacle ,Mini 5 pins 6. Connectivity :Up to 127 devices by cascading multiple hubs 7. LED : Red LED blink: Power on Port status (green ,one per port ) 8. Power supply: 5V/2A (Optional) 9. Shape: Cylinder HE702A 1. Fully compliant with USB 1.1 2. specifications, Backwardly compatible with USB 2.0 3. Plug and play installation 4. Adds 7 USB 1.1 Full-speed ports 5. Supports up to 127 Full-speed or Low-speed devices 6. Supports data transfer rate at 1.5/12Mbps 7. Automatically downshifts from 12 to 1.5Mbps for low-speed peripherals 8. Over-current detection and protection 9. User-friendly and ergonomic design 10.System Requirements : Supports Windows 98, 98SE, 2000, ME, XP,Vista, Mac OS 9.x, 10.x. 11. Supplies 500mA to each USB port (including the power adapter)