User:ronaldfhdk009044

This mini USB hub has 4 USB 2.0 ports Just about every with a max whole transmission speed up to 480 MBps. All four ports are powered thru the USB micro-B cable. there is also a single on-off

https://webdirectorytalk.com/listings398911/adafruit-industries-usb-mini-hub-with-power-switch-no-further-a-mystery