Portable 4 Ports USB 2.0 HUB
*Support to connect 4 USB 2.0 devices simultaneously
*The max input/output of the USB 2.0 port is 500mA
*With BC 1.2 smart charging function
*Compatible with all Windows/ Mac/Linux system
*Compatible for USB 2.0/1.1, Support all USB device
*Current overload detection and protection for each USB port