NEW: HTC VIVE Facial Tracker - Express more than words in VR. | bestware
Amazon.com: HTC VIVE Virtual Reality System Tracker : Video Games
HP Reverb G2 + index Controller + HTC vive tracker Working native Open VR. : r/WindowsMR
Amazon.com: Skywin VR Tracker Straps for HTC Vive System Tracker Puck (2 Pack) - Adjustable Straps for Hand Foot Object and Full-Body Tracking in Virtual Reality : Video Games
HTC Unveils VIVE Facial Tracking And Next Generation VIVE Trackers - VRScout