diff of ioreg -p IOUSB

>   | +-o USB Single Serial@14300000  <class AppleUSBDevice, id 0x10005bf0f, registered, matched, active, busy 0 (18 ms), retain 14>


Diff of system_profiler SPUSBDataType
<         USB Single Serial:
<
<           Product ID: 0x55d4
<           Vendor ID: 0x1a86
<           Version: 4.43
<           Speed: Up to 12 Mb/s
<           Location ID: 0x14300000 / 46
<           Current Available (mA): 500
<           Current Required (mA): 134
<           Extra Operating Current (mA): 0