09da:001a — Wireless Mouse & RXM-15 Receiver (A4Tech Co., Ltd.)

What is this device?

This is the USB identifier for a Wireless Mouse & RXM-15 Receiver manufactured by A4Tech Co., Ltd.. The vendor ID 09da is registered to A4Tech Co., Ltd. with the USB Implementers Forum, and 001a is the product ID that A4Tech Co., Ltd. assigned to this particular model. When you run lsusb on Linux, this device appears as 09da:001a A4Tech Co., Ltd. Wireless Mouse & RXM-15 Receiver.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 09da:001a A4Tech Co., Ltd. Wireless Mouse & RXM-15 Receiver

You can filter directly with lsusb -d 09da:001a, or get the full descriptor dump with lsusb -v -d 09da:001a. Kernel messages from dmesg show the same pair as idVendor=09da, idProduct=001a.

Windows

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

USB\VID_09DA&PID_001A
USB\VID_09DA&PID_001A&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_09DA&PID_001A"

macOS

$ system_profiler SPUSBDataType
    Wireless Mouse & RXM-15 Receiver:
      Product ID: 0x001a
      Vendor ID: 0x09da  (A4Tech Co., Ltd.)

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:

09da  A4Tech Co., Ltd.
	001a  Wireless Mouse & RXM-15 Receiver

More from A4Tech Co., Ltd.

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