The use of plug and play design enables this bub to be used easily and conveniently without driver. With 4 in 1 design, this docking station can meet the multi-port expansion requirements of the device. The LED indicator makes the working status clear at a glance. It is constructed of ABS material. Built in diode and repairable fuse and other circuit protection elements, it can be used more confidently. The length of this product is 5.6cm, the width is 5.6cm and the height is 1.7cm. And the cable length is 1m. The product is suitable for mouse, keyboard, hard disk, U disk, card reader, etc. With Micro USB power supply port, it supports 5V2A high-power power supply to prevent the mouse and keyboard operation from jamming. Item Name: USB Hub Material: ABS Interface: USB 3.0 Function: Expand Computer USB Port Features: High Speed, Plug and Play, Anti-interference Size Details: Hub L: 5.6cm/2.2", W: 5.6cm/2.2", H: 1.7cm/0.67"(Approx.) Cable Length: 100cm/39.37" (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