Stable and Secure Data Transfer Enhanced Functions USB C Power Supply Port for the Hub Built a USB-C power supply port, max 5V 2.4A power for those power-hungry devices such as 2.5/3.5 USB HDD/SSD. Durable Connector It adds additional durability for a longer lifespan. OTG Supported Please make sure your USB-C phone or tablet supports OTG. All In One USB C to 4 USB 3.0 Hub UGREEN Ultra Slim Multi-port USB C Hub Adapter, Expand More USB 3.0 Ports Allow you to connect more devices such as a keyboard, mouse, USB flash drive, thumb drive, USB printer, and hard disk at the same time. 4 USB hub 3.0 Ports transfer data at a superspeed rate of up to 5Gbps, HD movies photos, and files will be transferred in a few seconds. Simply Plug and Play, no software or drivers needed, built-in Over-current/Over-voltage/Reverse current protections, and also support Hot-swapping. Designed by premium stylish space gray, perfect accessories for work and business travel, greatly save space and precious time. Kindly Note The USB-C Power port is used for multi-interface high-power device functions powered support, and cannot be used to charge terminal devices. Max 5V 2.4A power to this 4 port hub adapter for those power-hungry devices such as 2.5“ 3.5” USB HDD. Connect multiple devices, please connect USB C Port for power supply support Before. USB 3.0 performance (super-speed of up to 5 Gbps) can only be expected when connected to a USB 3.0 port, USB 3.0 cables, and USB 3.0 devices. Otherwise, it will work as a USB 2.0 or USB 1.1 hub when connected to a USB 2.0 or USB 1.1 controller respectively.