The device property of the HIDInputReportEvent interface returns the HIDDevice instance that represents the HID interface that sent the input report.

An HIDDevice.

In the following example device is a HIDDevice instance, representing the device sending the report. The productName of this device is logged to the console.

device.addEventListener("inputreport", (event) => {
  const { data, device, reportId } = event;
  console.log(device.productName);
});