SMOOTH, ULTRA-THIN 0.4MM DESIGN

Its hard, smoother surface offers fluid, accurate tracking optimized for optical sensors, while its profile is 20% thinner to seamlessly become part of your desk. Available in Small and Large sizes.
1. The Razer Sphex V3 is 0.4mm thin, 20% thinner than its predecessor, the Razer Sphex V2.
2. Refreshed with a sleek, black aesthetic and a smother surface, the Sphex V3 is 50% larger than the standard Sphex V2.