1、4 Port: Turns your computer's one USB C port into 3 USB 2.0 and 1 USB 3.0 port for device charging and data management. Easily supports up to 4TB removable hard drives. 2、Fast Transfer: Transfer data via USB C at speeds up to 5Gbps, fast enough to transfer an HD movie in seconds and send and receive important files without waiting. 3、Durable Design: The 4 port USB hub features a durable design with reinforced built in cables, ruggedized casing and heat resistant connectors to ensure incredible durability. 4、Use Note: For a stable connection, avoid connecting high power consumption devices such as external hard drives. The hub will synchronize but not charge tablets and other devices that require higher power input. 5、Supported Systems: For Windows 10 8 7 XP, for OS X 10.6‑10.12 or later, for Linux 2.6.14 or later. For MacBook, for iMac, for Surface Pro, for XPS, PC, flash drive, removable hard disk. Item Type: USB C Hub Material: Aluminum Alloy Color: Gray Input Port: USB C Output Port: USB2.0 x 3, USB3.0 x 1 Transmission Rate: Up to 5Gbps 1 x USB C Hub