Multiple ports: USB hub active 3.0 with power supply has 7 USB data transfer ports, so you can use multiple USB devices and support the most commonly used USB devices such as U disk, mouse, card reader, mobile hard drive, webcams, keyboards, MP3 players, gaming devices, MP3 players, hard drives, etc. simultaneously connected to your PC or laptop Independent on/off: Under the 7 ports of the USB Hub Active 3.0 with power supply, each port is set with an independent on/off switch and each USB port is controlled independently without disconnecting the device. LED lights indicate the working status of each port, and you can see the work progress of each connection through the LED lights, and you can easily manage multiple USB devices USB power supply: this active 3.0 USB hub with power supply supports the USB power supply that can operate multiple USB devices at the same time. The USB hub is plug and play, small, easy to carry and can be carried on business trips without increasing the burden High-quality material: USB hub active 3.0 with power supply uses metal + ABS plastic, pure copper core reinforced cable, the outer material is firm, the surface is smooth, both strong and beautiful. The power supply has an integrated smart chip and an exclusive protection system to reliably and safely prevent overvoltage, overcurrent, high temperature and short circuit Compatible with various USB devices: USB hub active 3.0 with power supply super fast data transmission, data transfer speed up to 5 Gbps (640 M/s), no worry about large file transfer. The USB hub is compatible with Windows, XP, Mac OS, Linux desktop and Chrome OS or laptops and works with all types of portable hard drives