22a6:ffff — PieKey "beta" 4GB model 4E4F41482E4F5247 (SM3251Q BB)

This is the USB identifier for a PieKey "beta" 4GB model 4E4F41482E4F5247 (SM3251Q BB) manufactured by Pie Digital, Inc.. The vendor ID 22a6 is registered to Pie Digital, Inc. with the USB Implementers Forum, and ffff is the product ID that Pie Digital, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 22a6:ffff Pie Digital, Inc. PieKey "beta" 4GB model 4E4F41482E4F5247 (SM3251Q BB).

Linux

$ lsusb
Bus 001 Device 004: ID 22a6:ffff Pie Digital, Inc. PieKey "beta" 4GB model 4E4F41482E4F5247 (SM3251Q BB)

You can filter directly with lsusb -d 22a6:ffff, or get the full descriptor dump with lsusb -v -d 22a6:ffff. Kernel messages from dmesg show the same pair as idVendor=22a6, idProduct=ffff.

Windows

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

USB\VID_22A6&PID_FFFF
USB\VID_22A6&PID_FFFF&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_22A6&PID_FFFF"

macOS

$ system_profiler SPUSBDataType
    PieKey "beta" 4GB model 4E4F41482E4F5247 (SM3251Q BB):
      Product ID: 0xffff
      Vendor ID: 0x22a6  (Pie Digital, Inc.)

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:

22a6  Pie Digital, Inc.
	ffff  PieKey "beta" 4GB model 4E4F41482E4F5247 (SM3251Q BB)

See all 1 devices from Pie Digital, Inc. →