What this data hub can offer is that it is plug-and-play and convenient to use due to hot-swappable performance. Its stable data transmission specialty improves office efficiency. Plug and play, no need to install any drivers or software. USB3.0 to USB3.0+USB2.0 hub with high speed can connect more USB port devices such as smartphones, tablets and hard drives for easy data transfer. It is constructed of ABS material. The length of this product is 9.5cm, the width is 1.2cm and the height is 0.8cm. Compatible for Windows, for Mac OS, for Android systems, and more. Item Name: USB Hub Material: Alloy Metal Usage: Data Transfer Support System: for Windows, for Mac OS, for Android, etc. Interface: 3 USB2.0 Ports+1 USB3.0 Interface Features: 4 Ports, Plug And Play, High Speed Size Details: L: 9.5cm/3.74", W: 1.2cm/0.47", H: 0.8cm/0.31" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB Hub