256f:c657 — CadMouse Pro Wireless Left
3Dconnexion
- Vendor ID
- 256f
- Product ID
- c657
- Combined
- 256f:c657
- Decimal
- 9583:50775
What is this device?
This is the USB identifier for a CadMouse Pro Wireless Left manufactured by 3Dconnexion. The vendor ID 256f is registered to 3Dconnexion with the USB Implementers Forum, and c657 is the product ID that 3Dconnexion assigned to this particular model. When you run lsusb on Linux, this device appears as 256f:c657 3Dconnexion CadMouse Pro Wireless Left.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 256f:c657 3Dconnexion CadMouse Pro Wireless Left
You can filter directly with lsusb -d 256f:c657, or get the full descriptor dump with lsusb -v -d 256f:c657. Kernel messages from dmesg show the same pair as idVendor=256f, idProduct=c657.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_256F&PID_C657 USB\VID_256F&PID_C657&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_256F&PID_C657"
macOS
$ system_profiler SPUSBDataType
CadMouse Pro Wireless Left:
Product ID: 0xc657
Vendor ID: 0x256f (3Dconnexion)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:
256f 3Dconnexion c657 CadMouse Pro Wireless Left