046d:c31c — Keyboard K120
Logitech, Inc.
- Vendor ID
- 046d
- Product ID
- c31c
- Combined
- 046d:c31c
- Decimal
- 1133:49948
What is this device?
This is the USB identifier for a Keyboard K120 manufactured by Logitech, Inc.. The vendor ID 046d is registered to Logitech, Inc. with the USB Implementers Forum, and c31c is the product ID that Logitech, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 046d:c31c Logitech, Inc. Keyboard K120.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 046d:c31c Logitech, Inc. Keyboard K120
You can filter directly with lsusb -d 046d:c31c, or get the full descriptor dump with lsusb -v -d 046d:c31c. Kernel messages from dmesg show the same pair as idVendor=046d, idProduct=c31c.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_046D&PID_C31C USB\VID_046D&PID_C31C&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_046D&PID_C31C"
macOS
$ system_profiler SPUSBDataType
Keyboard K120:
Product ID: 0xc31c
Vendor ID: 0x046d (Logitech, Inc.)Driver help
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. Logitech, Inc. official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
046d Logitech, Inc. c31c Keyboard K120