Features: 1.Support 4-port simultaneous expansion expand 4 USB ports for your computer at the same time no more repeated unplugging. 2.High spped USB hub to sync data at blazing speeds up to high level fast enough to transfer an HD movie in seconds. 3.Compact and lightweight packet size design allows you to take it on the go ideal for home office business trip or anywhere you go. 4.Connect externally with USB card reader USB flash drive mobile hard drive read data and easily connect mouse keyboard gamepad printer. 5.The strong shell casing ensures fast heat dissipation. The interface has good anti-interference anti-rust strong and durable. Specifications: Material: Aluminium alloy Weight: 22g Color: Gray Notes: 1. Due to different monitors and lighting effects the actual color may be slightly different from the image. 2. Due to manual measurement please allow 1-3cm deviation. includes: 1*4 PortsUSB Hub