25bf:0001 — Isostick

Elegant Invention

Vendor ID: 25bf
Product ID: 0001
Combined: 25bf:0001
Decimal: 9663:1

What is this device?

This is the USB identifier for a Isostick manufactured by Elegant Invention. The vendor ID 25bf is registered to Elegant Invention with the USB Implementers Forum, and 0001 is the product ID that Elegant Invention assigned to this particular model. When you run lsusb on Linux, this device appears as 25bf:0001 Elegant Invention Isostick.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 25bf:0001 Elegant Invention Isostick

You can filter directly with lsusb -d 25bf:0001, or get the full descriptor dump with lsusb -v -d 25bf:0001. Kernel messages from dmesg show the same pair as idVendor=25bf, idProduct=0001.

Windows

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

USB\VID_25BF&PID_0001
USB\VID_25BF&PID_0001&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_25BF&PID_0001"

macOS

$ system_profiler SPUSBDataType
    Isostick:
      Product ID: 0x0001
      Vendor ID: 0x25bf  (Elegant Invention)

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:

25bf  Elegant Invention
	0001  Isostick