04bf:0309 — Bluetooth USB dongle
TDK Corp.
- Vendor ID
- 04bf
- Product ID
- 0309
- Combined
- 04bf:0309
- Decimal
- 1215:777
What is this device?
This is the USB identifier for a Bluetooth USB dongle manufactured by TDK Corp.. The vendor ID 04bf is registered to TDK Corp. with the USB Implementers Forum, and 0309 is the product ID that TDK Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04bf:0309 TDK Corp. Bluetooth USB dongle.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04bf:0309 TDK Corp. Bluetooth USB dongle
You can filter directly with lsusb -d 04bf:0309, or get the full descriptor dump with lsusb -v -d 04bf:0309. Kernel messages from dmesg show the same pair as idVendor=04bf, idProduct=0309.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04BF&PID_0309 USB\VID_04BF&PID_0309&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04BF&PID_0309"
macOS
$ system_profiler SPUSBDataType
Bluetooth USB dongle:
Product ID: 0x0309
Vendor ID: 0x04bf (TDK Corp.)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:
04bf TDK Corp. 0309 Bluetooth USB dongle