2a88:ffff — DFU

This is the USB identifier for a DFU manufactured by DFU Technology Ltd. The vendor ID 2a88 is registered to DFU Technology Ltd with the USB Implementers Forum, and ffff is the product ID that DFU Technology Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 2a88:ffff DFU Technology Ltd DFU.

Linux

$ lsusb
Bus 001 Device 004: ID 2a88:ffff DFU Technology Ltd DFU

You can filter directly with lsusb -d 2a88:ffff, or get the full descriptor dump with lsusb -v -d 2a88:ffff. Kernel messages from dmesg show the same pair as idVendor=2a88, idProduct=ffff.

Windows

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

USB\VID_2A88&PID_FFFF
USB\VID_2A88&PID_FFFF&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2A88&PID_FFFF"

macOS

$ system_profiler SPUSBDataType
    DFU:
      Product ID: 0xffff
      Vendor ID: 0x2a88  (DFU Technology Ltd)

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:

2a88  DFU Technology Ltd
	ffff  DFU

See all 1 devices from DFU Technology Ltd →