0e21:0801 — Cowon D2 (MTP mode)

This is the USB identifier for a Cowon D2 (MTP mode) manufactured by Cowon Systems, Inc.. The vendor ID 0e21 is registered to Cowon Systems, Inc. with the USB Implementers Forum, and 0801 is the product ID that Cowon Systems, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0e21:0801 Cowon Systems, Inc. Cowon D2 (MTP mode).

Linux

$ lsusb
Bus 001 Device 004: ID 0e21:0801 Cowon Systems, Inc. Cowon D2 (MTP mode)

You can filter directly with lsusb -d 0e21:0801, or get the full descriptor dump with lsusb -v -d 0e21:0801. Kernel messages from dmesg show the same pair as idVendor=0e21, idProduct=0801.

Windows

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

USB\VID_0E21&PID_0801
USB\VID_0E21&PID_0801&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0E21&PID_0801"

macOS

$ system_profiler SPUSBDataType
    Cowon D2 (MTP mode):
      Product ID: 0x0801
      Vendor ID: 0x0e21  (Cowon Systems, 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:

0e21  Cowon Systems, Inc.
	0801  Cowon D2 (MTP mode)

• 0e21:0700 iAudio U3
• 0e21:0751 iAudio 7
• 0e21:0760 iAUDIO U5 / iAUDIO G2
• 0e21:0800 Cowon D2 (UMS mode)
• 0e21:0910 iAUDIO 9
• 0e21:0920 J3

See all 15 devices from Cowon Systems, Inc. →