20b7:cb72 — ben-wpan, cntr

This is the USB identifier for a ben-wpan, cntr manufactured by Qi Hardware. The vendor ID 20b7 is registered to Qi Hardware with the USB Implementers Forum, and cb72 is the product ID that Qi Hardware assigned to this particular model. When you run lsusb on Linux, this device appears as 20b7:cb72 Qi Hardware ben-wpan, cntr.

Linux

$ lsusb
Bus 001 Device 004: ID 20b7:cb72 Qi Hardware ben-wpan, cntr

You can filter directly with lsusb -d 20b7:cb72, or get the full descriptor dump with lsusb -v -d 20b7:cb72. Kernel messages from dmesg show the same pair as idVendor=20b7, idProduct=cb72.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_20B7&PID_CB72
USB\VID_20B7&PID_CB72&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_20B7&PID_CB72"

macOS

$ system_profiler SPUSBDataType
    ben-wpan, cntr:
      Product ID: 0xcb72
      Vendor ID: 0x20b7  (Qi Hardware)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

20b7  Qi Hardware
	cb72  ben-wpan, cntr

• 20b7:1db5 IDBG in DFU mode
• 20b7:1db6 IDBG in normal mode
• 20b7:9db1 Glasgow Debug Tool
• 20b7:c25b C2 Dongle

See all 7 devices from Qi Hardware →