StarTech.com 4 Port Compact Black USB 2.0 Hub - Bus-powered or with Included Power Adapter - Portable Mac/PC laptop hub (ST4202USB)

CONNECT YOUR USB DEVICES: This USB 2.0 hub connects to one USB 2.0 port, adding four USB 2.0 ports to your device. This 4-port hub is backwards compatible with USB 1.1/1.0 device. EASY INSTALLATION: The 4-port hub supports cascaded installation with other USB 2.0 hubs, supporting up to 127 USB 2.0 device connections; a scalable solution for connecting multiple USB devices. MULTIPLE CHARGING OPTIONS: The 4-port hub includes a power adapter, but can be powered through USB bus connection to the host computer; allowing you to install the hub anywhere, as needed. TAA COMPLIANT: This TAA compliant USB 2.0 hub adheres to the requirements of the US Federal Trade Agreements Act (TAA), allowing government GSA Schedule purchases.