04a5:0002 API Ergo K/B

Acer Peripherals Inc. (now BenQ Corp.)

Vendor ID
04a5
Product ID
0002
Combined
04a5:0002
Decimal
1189:2

What is this device?

This is the USB identifier for a API Ergo K/B manufactured by Acer Peripherals Inc. (now BenQ Corp.). The vendor ID 04a5 is registered to Acer Peripherals Inc. (now BenQ Corp.) with the USB Implementers Forum, and 0002 is the product ID that Acer Peripherals Inc. (now BenQ Corp.) assigned to this particular model. When you run lsusb on Linux, this device appears as 04a5:0002 Acer Peripherals Inc. (now BenQ Corp.) API Ergo K/B.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 04a5:0002 Acer Peripherals Inc. (now BenQ Corp.) API Ergo K/B

You can filter directly with lsusb -d 04a5:0002, or get the full descriptor dump with lsusb -v -d 04a5:0002. Kernel messages from dmesg show the same pair as idVendor=04a5, idProduct=0002.

Windows

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

USB\VID_04A5&PID_0002
USB\VID_04A5&PID_0002&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04A5&PID_0002"

macOS

$ system_profiler SPUSBDataType
    API Ergo K/B:
      Product ID: 0x0002
      Vendor ID: 0x04a5  (Acer Peripherals Inc. (now BenQ 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:

04a5  Acer Peripherals Inc. (now BenQ Corp.)
	0002  API Ergo K/B

More from Acer Peripherals Inc. (now BenQ Corp.)