USB Flash Driver and HUB

3-in -1 function: Card reader, USB hub, and mobile charger. With 4 USB Hub ports. USB 2.0 high speed transfer port, Compliance with USB 1.1. Transfer rate up to 480Mbps(max) for USB Hub. Built-in overcurrent short circuit protection setting. Operating Voltage/current: 5V/0.5A; Mobile charge output voltage: 5V/0.5A. Customized logo prints are welcomed.