HyperX Pulsefire Core @ TechPowerUp
 

The Pulsefire Core is HyperX's budget option for a gaming mouse, but according to its specifications, it can easily compete with more expensive mice. It features a 6,200 CPI PixArt PAW3327 optical sensor, Omron switches rated for 20 million clicks, 7 programmable buttons and customizable RGB lighting—all for less than 30 dollars.

https://www.techpowerup.com/reviews/...lsefire_Core//