Package contents: Rosonway 4-Port USB 3.1/3.2 Gen 2 Hub with 3.3ft long cable x 1, 10W (5V/2A) UL Certified power adapter x 1, User Manual x 1. Professional customer service. Sturdy Desing & Individual Switches: USB Hub Splitter made of high-quality aluminum alloy design, Sturdy and durable. Each super-speed USB data port of the USB Power hub has an On/Off switch with LED indicator, easy to show power status. Electronic switch design, Light press to open, long press for two seconds to close. You can turn on/off the separate USB port without having to unplug the whole hub. When the power is restored, the port will maintain the previously set state. Extra Long 3.3ft/100cm Cable: Powered USB 3.1/3.2 hub splitter with 3.3 ft long cable, Freely connect to desktops and laptops, such as Mac Studio, M1 Mac mini, MacBook, iMac, XPS, Surface Pro. USB port hub expander is compatible with Windows 11, 10, 8.1, 8, 7, Vista, Mac OS 10, Linux and above. Powerful and Safe: 4-Port Powered USB Hub is equipped with a 10W (5V/2A) UL Certified Power Supply that ensures safe & steady data transfer for all connected devices. Powered USB 3.1 Gen 2 Hub built-in surge protector, with overvoltage protection and overcurrent protection, ensures safety and efficiency. Portable USB Hub Plug and play, no driver required. New Generation 10Gbps USB 3.1/3.2 Hub: Rosonway 4 Port USB 3.1 Gen 2 (USB 3.2 Gen 2) Hub instantly adds 4 USB 3.1 ports extension to your PC and laptop, provides file transfer at speeds up to 10 Gbps, twice the data transmission rate of conventional USB 3.0 in theory. USB hub supports the USB 3.2 NVMe SSD, Flash Drive and more. Backward compatible with USB 3.0 and USB 2.0 devices.