1a0a:badd — USB OTG Compliance test device

This is the USB identifier for a USB OTG Compliance test device manufactured by USB-IF non-workshop. The vendor ID 1a0a is registered to USB-IF non-workshop with the USB Implementers Forum, and badd is the product ID that USB-IF non-workshop assigned to this particular model. When you run lsusb on Linux, this device appears as 1a0a:badd USB-IF non-workshop USB OTG Compliance test device.

Linux

$ lsusb
Bus 001 Device 004: ID 1a0a:badd USB-IF non-workshop USB OTG Compliance test device

You can filter directly with lsusb -d 1a0a:badd, or get the full descriptor dump with lsusb -v -d 1a0a:badd. Kernel messages from dmesg show the same pair as idVendor=1a0a, idProduct=badd.

Windows

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

USB\VID_1A0A&PID_BADD
USB\VID_1A0A&PID_BADD&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1A0A&PID_BADD"

macOS

$ system_profiler SPUSBDataType
    USB OTG Compliance test device:
      Product ID: 0xbadd
      Vendor ID: 0x1a0a  (USB-IF non-workshop)

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.

The exact lines this page is generated from, in the upstream source file:

1a0a  USB-IF non-workshop
	badd  USB OTG Compliance test device

See all 1 devices from USB-IF non-workshop →