0b81:0002 — DFU-Enabled Devices (DFU)
id3 Technologies
- Vendor ID
- 0b81
- Product ID
- 0002
- Combined
- 0b81:0002
- Decimal
- 2945:2
What is this device?
This is the USB identifier for a DFU-Enabled Devices (DFU) manufactured by id3 Technologies. The vendor ID 0b81 is registered to id3 Technologies with the USB Implementers Forum, and 0002 is the product ID that id3 Technologies assigned to this particular model. When you run lsusb on Linux, this device appears as 0b81:0002 id3 Technologies DFU-Enabled Devices (DFU).
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0b81:0002 id3 Technologies DFU-Enabled Devices (DFU)
You can filter directly with lsusb -d 0b81:0002, or get the full descriptor dump with lsusb -v -d 0b81:0002. Kernel messages from dmesg show the same pair as idVendor=0b81, idProduct=0002.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0B81&PID_0002 USB\VID_0B81&PID_0002&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0B81&PID_0002"
macOS
$ system_profiler SPUSBDataType
DFU-Enabled Devices (DFU):
Product ID: 0x0002
Vendor ID: 0x0b81 (id3 Technologies)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:
0b81 id3 Technologies 0002 DFU-Enabled Devices (DFU)