Functional properties:* Expand four USB ports, each supply up to 500mA* No external power supply, easy to use* No need driver, plug and play, hot swappable* Built-in current overl
High-speed USB HUB, one divided into fourNew design USB 2.0 4PORT HUB, this USB 2.0 4PORT HUB design is very beautiful,Appearance of fashion, creative and lovely, this product is c
* High Speed ??(Hi-speed) USB 2.0 interface, up to 480Mbps, backward compatible with USB 1.1/1.0 standard specifications* Equipped with four USB jack with hot swap functionality* C