HTC upgrades Vive Focus 3 with eye and face tracking
Review of 'HTC VIVE Focus 3', a stand-alone VR device that maximizes the immersive feeling in VR with 5K resolution and a viewing angle of 120 degrees - GIGAZINE
HTC VIVE Focus Plus
HTC VIVE Introduces VIVE Focus 3 Facial Tracker and Eye Tracker | Halldale Group