056e:00fe — M-DT1URBK or M-DT2URBK DEFT Optical TrackBall

Elecom Co., Ltd

Vendor ID: 056e
Product ID: 00fe
Combined: 056e:00fe
Decimal: 1390:254

What is this device?

This is the USB identifier for a M-DT1URBK or M-DT2URBK DEFT Optical TrackBall manufactured by Elecom Co., Ltd. The vendor ID 056e is registered to Elecom Co., Ltd with the USB Implementers Forum, and 00fe is the product ID that Elecom Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 056e:00fe Elecom Co., Ltd M-DT1URBK or M-DT2URBK DEFT Optical TrackBall.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 056e:00fe Elecom Co., Ltd M-DT1URBK or M-DT2URBK DEFT Optical TrackBall

You can filter directly with lsusb -d 056e:00fe, or get the full descriptor dump with lsusb -v -d 056e:00fe. Kernel messages from dmesg show the same pair as idVendor=056e, idProduct=00fe.

Windows

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

USB\VID_056E&PID_00FE
USB\VID_056E&PID_00FE&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_056E&PID_00FE"

macOS

$ system_profiler SPUSBDataType
    M-DT1URBK or M-DT2URBK DEFT Optical TrackBall:
      Product ID: 0x00fe
      Vendor ID: 0x056e  (Elecom Co., Ltd)

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:

056e  Elecom Co., Ltd
	00fe  M-DT1URBK or M-DT2URBK DEFT Optical TrackBall

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