Darmoshark M3S Varun @ TechPowerUp
 

Weighing no more than 55 g, the ambidextrous M3S Varun comes with PixArt's PAW3395 sensor, TTC Gold switches for the main buttons, as well as both Bluetooth and 2.4 GHz wireless connectivity, the latter of which even supports a polling rate of 2000 Hz, with up to 80 hours of battery life at 1000 Hz.

https://www.techpowerup.com/review/d...ark-m3s-varun/