Features: 1. Both cores use a true high-speed 3.0 chip, which is more powerful. 2. Extend the computer's USB3.0 interface to 4 USB3.0 ports to solve the problem that the USB interface is not enough. Each interface is equipped with independent switches that work independently and do not affect each other. 3. This Hub is also equipped with an external power connector for external power. Ensure that the equipment is stable in power supply, meet the needs of high-power equipment, and is easy to use. 4. The computer system comes with a driver that automatically recognizes the installation and does not require any driver installation. Plug and play, support hot swap function. 5. Real high-speed USB3.0 interface, up to 5Gbps, and backward compatible with USB/2.0/1.1 standard specifications. 6. The design is stylish, colorful and unique, attracting everyone's attention. Specification: Colour: Black Interface type: High-speed USB3.0, plug and play Device support: USB3.0 interface * 4 Support system: for Windows98/SE/2000/XP/ME/WIN7/VISTA or for Linux2.4 / Mac OS 10.2 and above Cable length: approx. 60 cm / 23.6in Weight: approx. 102g Package list: 1 * USB Hub 1 * USB Cable Note: 1. USB HUB is a USB interface splitter and USB interface expander. It is only for connecting to a computer. It is not guaranteed to be used for any other purpose. Please know! 2. This USB HUB can be equipped with U disk, keyboard, mouse, USB fan, U shield and other low-power devices without external power supply; if you need to bring high-power devices (such as printers, mobile hard disks, etc.), it is recommended to use external power supply. Use, the effect is better! 3. Please confirm that the computer has USB3.0 interface. If there is no computer without USB3.0 interface, USB HUB will only be backward compatible, and it will not play the role of USB3.0. Do not think that USB3.0 is connected. The splitter can achieve a 3.0 effect. 4. Please confirm that the computer itself can drive the related external equipment of the computer. If the computer can not afford it, even if it is not guaranteed with an external power supply, it can solve the related problems. Please know!