Feature: 1. Ports Expansion: 4 port USB hub turns one of your computer's USB ports into four, for device charging and data management. Easily supports 2TB mobile hard drives. 2. Fast Sync: The USB hub can transfer data at speeds of up to 480Mbps via USB, fast enough to transfer a full HD movie in seconds, no waiting when sending and receiving important files. 3. Power Usage: For a stable connection, avoid connecting high powered devices such as external hard drives. The hub will sync but not charge tablets and other devices that require higher power input. 4. Wide Compatibility: USB hub supports for Windows 10 8 7 XP, for OS X 10.6‑10.12 or higher, for Linux 2.6.14 or higher; suitable for MacBook, for XPS, PC, flash drives, and mobile hard drives. 5. Rugged And Durable: The USB docking station features reinforced built in cable, rugged ABS housing and heat resistant connectors that provide super durability, safety and stability, and a long lifespan. Specification: Item Type: USB Hub Material: ABS Color: Black Output Port: USB 2.0 Input Port: USB 2.0 x 4 Transmission Speed: Up to 480Mbps. Package List: 1 x USB Hub