Features: brand new and high quality Equipped with a high-quality, stylish and easy-to-clean for shell, an ultra-thin body, and a layout of 4 USB ports. USB3.0 speed transfer rate, transfer rate up to 5Gbps per second, backward for USB2.0, USB1.1. 4 ports are designed with respective current overload detection and for protection functions, supporting the plug-and-play and Hot Plug functions of hubs and peripheral devices. The built-in LED indicator can display the connection status of USB power supply, for DC power supply, and USB peripheral devices connected to each USB port. No need to install any drivers, for Windows 7/Vista/XP and other operating systems. Specifications: Material: ABS+Alloy Type: Black USB2.0/Black USB3.0/White USB2.0/White USB3.0 USB Cable Length: 11.81inch(30cm)/47.24inch(120cm) Size: Approx. 10.5x3.8x2.5cm/4.13x1.49x0.98inch Transmission Rate: 5Gbps Connection Interface: USB 3.0/USB 2.0 Package Includes: 1x USB Hub note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!