1. Simultaneous 4 Ports: This laptop USB port expander provides stable performance for 4 ports working simultaneously without any stress and keeping the temperature within a moderate range. 2. Outstanding Compatibility: 4-Port USB Hub for a variety of devices: laptops, PCs,card readers, hard drives, cell phone OTG adapters, etc. 3. Easy to Use: Plug and play, USB 3.0 hubs are automatically recognized by most operating system. No external power supply or driver is required. Our hubs do not interfere with signals. 4. Ultra Slim and Portable: Ultra slim design for laptop, small enough to be functional without taking up tons of space, a good helper for home, office, business trip or anywhere you go. 5. Overload Protection: Support overload voltage and inter-current protection function, can protect the connected equipment and HUB itself effectively when suddenly energized.
