Logitech G502 Lightspeed Wireless Gaming Mouse with HERO 25K Sensor About this itemwireless charging: Never worry about your battery life again. Add the power play wireless charging system to keep your G502 Lightspeed Wireless Mouse and other compatible G mice charged while at rest and at play. Powerplay wireless charging system sold separatelyLight speed wireless gaming mouse: Exclusive Logitech G ultra-fast wireless technology used by Pro gamers in competitions worldwideHero 25K sensor through a software update from G HUB, this upgrade is free to all players: Our most advanced, with 1:1 tracking, 400plus ips, and 100 - 25,600 max dpi sensitivity plus zero smoothing, filtering, or acceleration11 customizable buttons and hyper fast scroll wheel: Assign custom macro and shortcut commands to the buttons for each game with Logitech G hub software. Use hyper fast scrolling to rapidly review menus, long web pages and moreAdjustable weight system: Arrange up-to six removable weights inside the mouse for personalized weight and balance tuningLightsync RGB technology: Fully customize RGB lighting from nearly 16.8 million colors, synchronize lighting with your game-play, and create your own personal RGB animations