68g Ultra Lightweight When quick movements and large swipes matter, Aerox 3 and #8217;s super light design allows for faster and more accurate reaction times in game. Quantum 2.0 Wireless All-new SteelSeries Quantum 2.0 Wireless technology transmits wireless data at unreal speeds in a more stable, reliable and power efficient way than ever before Dual Wireless The flexibility to easily swap between ultra-fast gaming-grade wireless via 2.4 GHz, and convenient Bluetooth 5.0 for instant pairing on PC, Mac, laptops, and more. AquaBarrier and #8482; Rated IP54 to ensure water resistance and protetion from dust, dirt, oil, fur, and more. The mouse is enineered to safeguard the interior circuitry from virtually all types of e TrueMove Air Optical Gaming Sensor A new custom 1-to-1 tracking sensor co-developed with PixArt speifivally for wireless performance, this 18,000 CPI, 400 IPS, 40G optical sensor delivers the speed an 200 Hour Battery Life Engineered specifically for optimized power