0453:6781 — NMB Keyboard

CMD Technology

Vendor ID: 0453
Product ID: 6781
Combined: 0453:6781
Decimal: 1107:26497

What is this device?

This is the USB identifier for a NMB Keyboard manufactured by CMD Technology. The vendor ID 0453 is registered to CMD Technology with the USB Implementers Forum, and 6781 is the product ID that CMD Technology assigned to this particular model. When you run lsusb on Linux, this device appears as 0453:6781 CMD Technology NMB Keyboard.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 0453:6781 CMD Technology NMB Keyboard

You can filter directly with lsusb -d 0453:6781, or get the full descriptor dump with lsusb -v -d 0453:6781. Kernel messages from dmesg show the same pair as idVendor=0453, idProduct=6781.

Windows

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

USB\VID_0453&PID_6781
USB\VID_0453&PID_6781&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0453&PID_6781"

macOS

$ system_profiler SPUSBDataType
    NMB Keyboard:
      Product ID: 0x6781
      Vendor ID: 0x0453  (CMD Technology)

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.

Raw usb.ids entry

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

0453  CMD Technology
	6781  NMB Keyboard