The JCH343 USB Type-C 4-Port HUB allows up to four USB 3.0 devices to be connected simultaneously at a transmission speed of 5 Gbps, while still providing connectivity and support for the older USB 2.0 (480 Mbps) and 1.1 (12 Mbps) devices. The JCH343 works with high bandwidth SuperSpeed USB 3.0 devices, such as external USB 3.0 disk drives, high-resolution webcams, video surveillance cameras, digital video cameras and more. It is perfect for MacBook, Chromebook, and other laptop and desktop computers with a USB-C port.