03ee:6440 — WML-C52APR Bluetooth Adapter
Mitsumi
- Vendor ID
- 03ee
- Product ID
- 6440
- Combined
- 03ee:6440
- Decimal
- 1006:25664
What is this device?
This is the USB identifier for a WML-C52APR Bluetooth Adapter manufactured by Mitsumi. The vendor ID 03ee is registered to Mitsumi with the USB Implementers Forum, and 6440 is the product ID that Mitsumi assigned to this particular model. When you run lsusb on Linux, this device appears as 03ee:6440 Mitsumi WML-C52APR Bluetooth Adapter.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 03ee:6440 Mitsumi WML-C52APR Bluetooth Adapter
You can filter directly with lsusb -d 03ee:6440, or get the full descriptor dump with lsusb -v -d 03ee:6440. Kernel messages from dmesg show the same pair as idVendor=03ee, idProduct=6440.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_03EE&PID_6440 USB\VID_03EE&PID_6440&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_03EE&PID_6440"
macOS
$ system_profiler SPUSBDataType
WML-C52APR Bluetooth Adapter:
Product ID: 0x6440
Vendor ID: 0x03ee (Mitsumi)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:
03ee Mitsumi 6440 WML-C52APR Bluetooth Adapter