Sigma Sport — USB Vendor ID 1d9d

Sigma Sport is a USB vendor registered under ID 1d9d. Below are the 3 known USB devices published under this vendor ID in the upstream usb.ids database. Any device from this manufacturer will report 1d9d as the first half of its VID:PID pair, so if your system shows 1d9d:???? the hardware was built by Sigma Sport.