056e:00fd — M-XT4DRBK EX-G Wireless Optical TrackBall (Elecom Co., Ltd)

What is this device?

This is the USB identifier for a M-XT4DRBK EX-G Wireless Optical TrackBall manufactured by Elecom Co., Ltd. The vendor ID 056e is registered to Elecom Co., Ltd with the USB Implementers Forum, and 00fd is the product ID that Elecom Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 056e:00fd Elecom Co., Ltd M-XT4DRBK EX-G Wireless Optical TrackBall.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 056e:00fd Elecom Co., Ltd M-XT4DRBK EX-G Wireless Optical TrackBall

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

Windows

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

USB\VID_056E&PID_00FD
USB\VID_056E&PID_00FD&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_056E&PID_00FD"

macOS

$ system_profiler SPUSBDataType
    M-XT4DRBK EX-G Wireless Optical TrackBall:
      Product ID: 0x00fd
      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
	00fd  M-XT4DRBK EX-G Wireless Optical TrackBall

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