1. [USB3.0 high-speed transmission] 5Gbps high-speed transmission, quickly read and copy large files, saving you more time 2. [Efficient office, supports 4 people to use at the same time] USB3.0 dedicated thick copper core, can be connected to mouse, keyboard, disk, etc., stable power supply 3. [LED power indicator] button is controlled individually. Press the button indicator light to light up the USB interface, which facilitates operation and management. 4. [No body movement required, plug and play] Compatible with for Windows series, for OS10.0, for Linux and other systems, no body movement required for plug and play 5. [Widely compatible with various USB devices] Expands high-speed USB3.0 interface for computers, supports mice, keyboards, USB mobile hard drives, printers, USB shields, card readers, USB fans and other devices Features:Supports four simultaneous uses Weight:60g Supported systems:for Windows/OS/Linux, etc. Type:B:USB 4 port 3.0 version Colour:Black Material:abs Size:Product size:85mm x 30mm x 15mm, Cord length:16cm Package Contents: 1 * Splitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.