How to root this device? RK3188

I am attempting to root at RK3188 Mini PC I bought from amazon. I believe I have found the drivers, but cannot figure out how to connect a USB cable to the device to connect to my PC to root. Please see pictures below: As you can see the device has a: HDMI port, Charging port, USB port, Audio port, The device takes 2 Amps to power, through the charging port. I could try connecting a microUSB (?) to usb cable to the PC, but I believe it will not be enough to power the device as USB ports only supply up to 500mA. I could also try a USB A to A cable, but I also fear damaging both devices. Any suggests appreciated! Thank you! ************ Update Used the micro USB to USB adapter and found the device powered on from a computer USB port. Still confused as the device needs 2A to operate.