03f9:0102 Keyboard Mouse

KeyTronic Corp.

Vendor ID
03f9
Product ID
0102
Combined
03f9:0102
Decimal
1017:258

What is this device?

This is the USB identifier for a Keyboard Mouse manufactured by KeyTronic Corp.. The vendor ID 03f9 is registered to KeyTronic Corp. with the USB Implementers Forum, and 0102 is the product ID that KeyTronic Corp. assigned to this particular model. When you run lsusb on Linux, this device appears as 03f9:0102 KeyTronic Corp. Keyboard Mouse.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 03f9:0102 KeyTronic Corp. Keyboard Mouse

You can filter directly with lsusb -d 03f9:0102, or get the full descriptor dump with lsusb -v -d 03f9:0102. Kernel messages from dmesg show the same pair as idVendor=03f9, idProduct=0102.

Windows

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

USB\VID_03F9&PID_0102
USB\VID_03F9&PID_0102&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_03F9&PID_0102"

macOS

$ system_profiler SPUSBDataType
    Keyboard Mouse:
      Product ID: 0x0102
      Vendor ID: 0x03f9  (KeyTronic 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:

03f9  KeyTronic Corp.
	0102  Keyboard Mouse

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