HyperSpeed wireless technology Razer 5G Advanced Optical Sensor Up to 450 inches per second/40G acceleration Six independently programmable buttons Dual-mode wireless (2.4GHz and BLE
2.4GHZ WIRELESS TECHNOLOGY THREE LEVELS OF SENSITIVITY: 800/1200/1600DPI ACTIVATE SLEEP MODE AFTER INACTIVE FOR 10 SEC NANO RECEIVER AND AA BATTERY ARE INCLUDED 1 X AA BATTERY WINDOWS XP/7/8/10; MAC OS