4 output ports, 4 switches to meet your different needsTransmission rate: full speed 480Mbps, medium speed 12Mbps, low speed 1.5MbpsMulti-system support for plug and play: Widely apply to USB devices, such as digital cameras, phones, external hard drives, flash drives, and printersExtensive Compatiblity: High compatibility with Windows 7/8/10/2000/XP/ OS9.1. Security and stability.Color: BlackMaterial: 475 plasticSize: 10.5*2.5*3.5cm Note: The USB Hub can not used to chanrge your phone, it's used for more usb ports Package Contents:1 * USB HubOnly the above package content, other products are not included.Note: Light 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.