Features 1、USB Port Expander: Instantly add 7 USB ports extension to your notebook, desktop, digital TV or gaming host. 4 blue USB ports are USB 3.0 data ports. Plug and play, hot swappable, syncing data transfer speeds up to 5Gbps. 2、Fast Charging Port: This powered USB 3.0 hub with 3 fast charging ports can quickly charge cellphones, tablets, cameras, speakers and for Xbox controllers, etc. It automatically detects and delivers the optimal charging current speed up to 2.4 amps. 3、Individual Switches: Each 7 USB port has an switch with LED indicator, easy to show power status. Once power is restored, the ports maintain the status that set earlier. 4、Safe to Use: Equipped with a 12V 3A power adapter, it ensures that you get sufficient power supply and stable data transfer during heavy duty usage. In addition, the powered USB Hub 3.0 protects your devices from overcurrent, overvoltage, short circuit and overheating through a surge protector design. 5、Broad Compatibility: Compatible with for Windows 2003 XP 7 8 10, for OS X, for Linux 9 and above, backward compatible with USB 2.0 / 1.1 connections. Specification Item Type: USB 3.0 Hub Material: Aluminum Alloy Interface: USB 3.0 x 4, QC3.0 x 2, PD Transfer Rate: 5Gbps + Charging Interface PD Power: 20W Package List 1 x USB 3.0 Hub 1 x USB Cable 1 x Power Adapter 1 x Instruction Manual