7Invensun reveals high-quality eye-tracking VR accessory for only $149 - The Ghost Howls
Add eye tracking to your HTC Vive headset for $149 | Engadget
7invensun Announces $150 Eye-tracking Module Supporting All HTC Headsets – Road to VR
Disassembly VR: Eye-tracked weapon aiming demo with Droolon F1. Also would work with a Vive Pro Eye and Droolon Pi. Just look and shoot, easy. : r/Pimax