0b51:0020 — Comfort Keyboard

This is the USB identifier for a Comfort Keyboard manufactured by Comfort Keyboard Co.. The vendor ID 0b51 is registered to Comfort Keyboard Co. with the USB Implementers Forum, and 0020 is the product ID that Comfort Keyboard Co. assigned to this particular model. When you run lsusb on Linux, this device appears as 0b51:0020 Comfort Keyboard Co. Comfort Keyboard.

Linux

$ lsusb
Bus 001 Device 004: ID 0b51:0020 Comfort Keyboard Co. Comfort Keyboard

You can filter directly with lsusb -d 0b51:0020, or get the full descriptor dump with lsusb -v -d 0b51:0020. Kernel messages from dmesg show the same pair as idVendor=0b51, idProduct=0020.

Windows

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

USB\VID_0B51&PID_0020
USB\VID_0B51&PID_0020&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0B51&PID_0020"

macOS

$ system_profiler SPUSBDataType
    Comfort Keyboard:
      Product ID: 0x0020
      Vendor ID: 0x0b51  (Comfort Keyboard Co.)

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:

0b51  Comfort Keyboard Co.
	0020  Comfort Keyboard

See all 1 devices from Comfort Keyboard Co. →