• The hub instantly expands a 3-port USB 3.0 hub, 5V power port and RJ45 Gigabit Ethernet port, compatible for MacBook Air, for iMac, for iMac Pro, for Microsoft Surface Pro, for Intel Ultrabook, laptops with a USB A port
• Offers three USB 3.0 ports for connecting multiple USB peripheral devices such as flash drive, hard drive, keyboard, mouse and more
• USB 3.0 ports provide super fast data transmission speed of up to 5Gbps, easily upload or download files, music, photos in several seconds
• The RJ45 port can recognize your internet speed and automatically adjusts to the highest level, no matter it is 10/100/1000 Mbps. Perfect for laptops without Ethernet socket when the wireless network fails
• Wide Compatibility, supports for Windows 11/10/8.1/8/7/XP/Vista, for Mac OS and for Linux. The USB hub supports hot-swappable, plug-and-play functions. A built-in surge protective device will keep you and your device safe. (It can't be used directly for Fire TV Stick, you'll need a specially crafted OTG adapter with an isolated power cord.)

Specification:

• Input: USB 3.0
• Output: 3*USB 3.0+RJ45+5V Power Port
• USB 3.0 transfer rate: 5Gbps 
• Network: 10/100/1000Mbps
• Power supply interface: Type-C female 
• Power supply: DC 5V/2A
• System: for Windows, for Mac OS, for Linux