04f2:b681 — ThinkPad T490 Webcam
Chicony Electronics Co., Ltd
- Vendor ID
- 04f2
- Product ID
- b681
- Combined
- 04f2:b681
- Decimal
- 1266:46721
What is this device?
This is the USB identifier for a ThinkPad T490 Webcam manufactured by Chicony Electronics Co., Ltd. The vendor ID 04f2 is registered to Chicony Electronics Co., Ltd with the USB Implementers Forum, and b681 is the product ID that Chicony Electronics Co., Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 04f2:b681 Chicony Electronics Co., Ltd ThinkPad T490 Webcam.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 04f2:b681 Chicony Electronics Co., Ltd ThinkPad T490 Webcam
You can filter directly with lsusb -d 04f2:b681, or get the full descriptor dump with lsusb -v -d 04f2:b681. Kernel messages from dmesg show the same pair as idVendor=04f2, idProduct=b681.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_04F2&PID_B681 USB\VID_04F2&PID_B681&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_04F2&PID_B681"
macOS
$ system_profiler SPUSBDataType
ThinkPad T490 Webcam:
Product ID: 0xb681
Vendor ID: 0x04f2 (Chicony Electronics 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. Chicony Electronics Co., Ltd official support →
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
04f2 Chicony Electronics Co., Ltd b681 ThinkPad T490 Webcam