256f:c635 — SpaceMouse Compact
3Dconnexion
- Vendor ID
- 256f
- Product ID
- c635
- Combined
- 256f:c635
- Decimal
- 9583:50741
What is this device?
This is the USB identifier for a SpaceMouse Compact manufactured by 3Dconnexion. The vendor ID 256f is registered to 3Dconnexion with the USB Implementers Forum, and c635 is the product ID that 3Dconnexion assigned to this particular model. When you run lsusb on Linux, this device appears as 256f:c635 3Dconnexion SpaceMouse Compact.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 256f:c635 3Dconnexion SpaceMouse Compact
You can filter directly with lsusb -d 256f:c635, or get the full descriptor dump with lsusb -v -d 256f:c635. Kernel messages from dmesg show the same pair as idVendor=256f, idProduct=c635.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_256F&PID_C635 USB\VID_256F&PID_C635&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_256F&PID_C635"
macOS
$ system_profiler SPUSBDataType
SpaceMouse Compact:
Product ID: 0xc635
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 c635 SpaceMouse Compact