4KHz WIRELESS RECEIVERDareu A950pro wireless gaming mouse equipped with the 4K wireless receiver,the polling rate of is increased to 4000Hz,sends a signal to the computer every 0.25 ms,4 times faster than other gaming mice. TOP PAW3395 SENSORAdopts PAW3395 optical sensor,up to 26000 DPI resolution,650 IPS tracking speed,50G acceleration,The excellent accuracy can capture the minute movement of the mouse. EXCLUSIVE FAST CHARGING TECHOLOGYDAREU A950pro to be charged to 90% in just 15 minutes,full charge takes only 30-40min.Newest wireless energy-saving technology to further optimize the power loss efficiency,6 days of playtime in 2.4G wireless mode and 37 days in BT 5.1 mode. 55G ULTRALIGHT GAMING MOUSEOne of the lightest esports mice ever,Innovative internal skeleton design,thin and strong shell, for the fierce game battlefield can provide more flexible movement, achieve better control,at the same time, make sure that your hands are not sore after a long time. KAILH BLACK GM