1ff7:001a — Human Interface Device

CVT Electronics.Co.,Ltd

Vendor ID: 1ff7
Product ID: 001a
Combined: 1ff7:001a
Decimal: 8183:26

What is this device?

This is the USB identifier for a Human Interface Device manufactured by CVT Electronics.Co.,Ltd. The vendor ID 1ff7 is registered to CVT Electronics.Co.,Ltd with the USB Implementers Forum, and 001a is the product ID that CVT Electronics.Co.,Ltd assigned to this particular model. When you run lsusb on Linux, this device appears as 1ff7:001a CVT Electronics.Co.,Ltd Human Interface Device.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 1ff7:001a CVT Electronics.Co.,Ltd Human Interface Device

You can filter directly with lsusb -d 1ff7:001a, or get the full descriptor dump with lsusb -v -d 1ff7:001a. Kernel messages from dmesg show the same pair as idVendor=1ff7, idProduct=001a.

Windows

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

USB\VID_1FF7&PID_001A
USB\VID_1FF7&PID_001A&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1FF7&PID_001A"

macOS

$ system_profiler SPUSBDataType
    Human Interface Device:
      Product ID: 0x001a
      Vendor ID: 0x1ff7  (CVT 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.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

1ff7  CVT Electronics.Co.,Ltd
	001a  Human Interface Device