Information about this product Ultra-thin USB Hub: All-aluminum housing, only 7.6mm thick, strong and durable, lightweight, resistant to fingerprints, high temperature and scratches. High-speed USB 3.0: 1 USB 3.0 interface, 3 USB 2.0 interfaces, and the rear hub interface is USB 3.0. The maximum transmission bandwidth is as high as 5.0Gbit/s, 60MB/s read speed, 35MB/s write speed, 3 USB 2.0 ports, different ports are suitable for different devices. USB Charging Charger: It is not only a hub, but also can charge four mobile phones at the same time. When connected to the power supply, the device supports powering the device at a charging speed of 5V2A, while ordinary hubs do not support power supply through the extended device when connected to the power supply. Passive hubs: USB port hubs retain devices and data and support hot-plugging. No software or drivers to install, just plug in and go. Wide Compatibility: Compatible with most USB devices and systems, this laptop dual USB port is compatible with Windows 12, 11, 10, 8, 7, Vista, XP, Mac OS x 10.6-10.12 or later, Linux 2.6. 14 or later.