The mouse design is basically a copy of the Mionix Naos (3200, 5000, 7000, 8200, QG) line. https://www.techpowerup.com/review/mionix-naos-qg/3.html It even copies the Mionix logo around the optical sensor. The major difference is the internal components.
With the exception of Naos 7000 I've...