▶ USB 3.0 Super Speed Hub The 4-Port Super Speed Hub adds 4 easy-access USB ports to your laptop ▶Quality Finish Moder and elegant gray coating metallic surface provides a layer of protection against corrosion and scratches for the hub * Scratch resistance * High temperature resistance * Anti-fingerprint * Corrosion resistance ▶5Gbps Speeds Features USB 3.0 interface and transfers movies,music, or files in second with 5Gbps teansfer speeds. ▶Micro USB Powered The Micro USB charging port provides sufficient power output and never encounters power problems with too many devices needing USB power You can add up to 12TB HDDs in the hub ▶Unique Upgrade Supports two 1TB 2.5 HDDs without power supply ▶4 Extra Ports of Connectivity Connect multiple devices and peripherals to a laptop through a single hub ▶Get More from Your Laptop Connect your laptop to all kinds of peripherals and devices for s...