7-Port USB 3.0 Hub: The UGREEN 7-in-1 Power USB 3.0 Hub is equipped with 7 high-speed USB 3.0 ports. You can easily expand multiple USB devices such as a keyboard, mouse, USB flash drive, printer, card reader, hard drive, camera, speaker, etc. for your laptop or PC4 Smart Charging Ports: The UGREEN USB 3.0 charging hub has 4 USB ports to support charging other devices such as smartphones, tablets, headphones, USB fans, and more. Most importantly, it automatically detects the charging protocol of the device to provide optimal charging and protect the device's battery from damageFast and Stable Transfer: The UGREEN USB 3.0 hub offers data transfer speeds of up to 5 Gbps, so you can transfer HD movies in seconds. The external 12V/2A power port and adapter can greatly ensure stability when connecting multiple high-power devicesIndependent Switch and Led Light: This UGREEN USB 3.0 Extender Hub is equipped with an independent switch and led light for each USB port. Allows you to turn each device on and off individually at any time and know the operating status of the USB portWidely Compatible and Plug-and-Play: The UGREEN USB 3.0 hub is driverless for Windows XP/Vista/11/10/8, for macOS-8/9/X, for UNIX, and for Linux. Easily extend the USB port to your laptop or desktop PC anytime Specifications: : UGREENModel: CM481Product Name: 7-in-1 USB3.0 HUBUSB3.0: Support 5Gbps transfer rate, backward compatible with USB2.04 smart charging connections: Supports BC 1.2 charging protocol (up to 7.5W)Support system: Windows XP/Vista/11/10/8, for MacOS-8/9/X, for UNIX, for LinuxMaterial: Aluminum alloy metal material