Add 4 more ports to charge your device and transfer data in high speed. Features: Used for charging and data transfering. 4 USB ports meet your daily usage. Maximum data transfer rate up to 480Mbps. Plug and use with no drive required. Compatible with Windows XP/ME/2000/98SE/98/VISTA/MAC OS 10.2/MAC OS 9.1. Specifications: Material: ABS Color: Black / White (optional) Cable Length: 44cm / 17.32in Item Size: 103.51.8cm / 3.931.370.7in Package Size: 16.53.56cm / 6.491.372.36in Package Weight: 35g / 1.23oz Packing List: 1 * USB Hub