You， seek for good quality， come the right place!Features:Add up to 4 peripherals quickly and easily with the Sabrent 4-Port USB 3.0 Hub. The thin， lightweight design makes this hub a great travel companion to expand one USB 3.0 port into four. Especially great for notebooks which come with only a few ports in an era when you need to attach many USB devices at once， such as a printer， card reader， cell phone， iPod， thumb drive， mouse， keyboard， or an external hard drive. Fully backwards compatible with the USB 2.0/1.1 products.Specifications:Color: BlackDimension: 75*32*15mmNet Weight: 25gNumber of ports: 1(input)/4(output)Package included:1 * 4 Ports USB 3.0 HUB4 Port Hub Adapter，External Hub，Portable Hub Adapter，USB Hub Connectors，2.0 Hub Connector，USB 3.0 Hub Adapter，4 Port Connector，PC Hub Connectors，Laptop Hub Adapter，Ecternal Hub Connectors