04ca:300b — Atheros AR3012 Bluetooth

Lite-On Technology Corp.

Vendor ID: 04ca
Product ID: 300b
Combined: 04ca:300b
Decimal: 1226:12299

What is this device?

This is the USB identifier for a Atheros AR3012 Bluetooth manufactured by Lite-On Technology Corp.. The vendor ID 04ca is registered to Lite-On Technology Corp. with the USB Implementers Forum, and 300b is the product ID that Lite-On Technology Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 04ca:300b Lite-On Technology Corp. Atheros AR3012 Bluetooth.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04ca:300b Lite-On Technology Corp. Atheros AR3012 Bluetooth

You can filter directly with lsusb -d 04ca:300b, or get the full descriptor dump with lsusb -v -d 04ca:300b. Kernel messages from dmesg show the same pair as idVendor=04ca, idProduct=300b.

Windows

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

USB\VID_04CA&PID_300B
USB\VID_04CA&PID_300B&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04CA&PID_300B"

macOS

$ system_profiler SPUSBDataType
    Atheros AR3012 Bluetooth:
      Product ID: 0x300b
      Vendor ID: 0x04ca  (Lite-On Technology 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:

04ca  Lite-On Technology Corp.
	300b  Atheros AR3012 Bluetooth

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