<ul> <li>Stable Transmission: Compared with other hubs in the same industry, the extra USB C interface supports hard disk data transmission, supporting 2 hard disks (5V/2A). (Note: Charging laptops are not supported)</li> <li>OTG Function: UGREEN USB C 4 Port 3.0 Hub, Compatible with Samsung Galaxy S20/S10, iPad Pro 2021/2020/2018, MacBook Pro/Air 2021/2020/2019/2018/2017, Pixelbook, Galaxy Book, Pixelbook, Dell XPS 15 / XPS 13, Surface Book 2, and many other smartphones/laptops/tablets</li> <li>Portable and Sophisticated: The hub features a sophisticated aluminum housing and a braided cable. Thermally conductive materials make hubs ideal for data transfer. The body is thin and light, easy to carry</li> <li>SuperSpeed: Full USB 3.0 SuperSpeed ??data transfer up to 5Gbps, 10 times faster than USB 2.0. Transfer files, HD movies, and songs to USB-C devices in seconds. NGS can be transferred to a USB-C device in seconds</li> <li>Plug and Play: Convert one of your computer's USB-C/Thunderbolt 3 ports to four USB A without any adapters, drivers, or software</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Input: USB C</li> <li>Output: 4 x USB 3.0</li> <li>USB specification: USB 3.0, transfer rate 5Gbps</li> <li>System: Compatible with Windows/macOS/Linux</li> </ul>