TechPowerUp published a review on the DELUX M800 Pro Highspeed
DELUX M800 Pro Highspeed Review
Another variant of the ambidextrous M800 Pro, the Highspeed comes with 8000 Hz wired and 2000 Hz wireless polling, along with PixArt's PAW3395 sensor, Huano switches for the main buttons, up to 70 hours of battery life, and a weight of 72 g.