Near-zero latency - With sub-10 milliseconds response time, lip movements accompany voice audio Dual cameras - Capture full lower-face motion from all angles with accuracy IR illumination - Infrared illumination helps you maintain reliable and accurate tracking even in low light conditions Compatibility - Pair with VIVE Pro Eye for the ultimate whole-face tracking experience. Compatible with other models in the VIVE Pro series 60 Hz tracking rate - Read facial expressions in real-time thanks to high fidelity tracking for lifelike interactions