and high quality 1 to 10 USB hub can be used for data transmission and charging at the same time for 10 USB devices High speed chips and interface the speed of data transmission, more convenient 10 ports USB interface support hot plug Support current protection function, more safe and useful Button switch design can be convenient for usage Portable design and fashion appearance suitable for household usage, mini appearance can be space saving. for XP/Vista or for OS 8.1 or above (drivers need to be installed under 95/98 systems). Item Type: USB Hub Interface Type: USB2.0 Material: plastic Function: Data Transmission, Charging Port Quantities: 10 Ports Color: Black Working Voltage: 5V Working Current: 500mA(each port) Transmission Speed: 480Mbps Suitable Device: USB Interface Device Package Contents: 3 x USB2.0 HUB Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.