The Razer Ouroboros is outfitted with the most advanced and configurable sensor yet, the all-new 8200dpi 4G laser sensor. * Are you ready to take your gaming further than before, cord-free? As Razer is the pioneer of the world"s first gaming-grade wireless tech, you can be assured the Razer Ouroboros performs as well cordless as it does corded. * Stay on top of the competition and adapt to the situation with the Razer Ouroboros" dedicated DPI clutch-trigger. Hold it down to temporarily increase/decrease the mouse"s DPI so you can get the exact sensitivity you need for the moment in-game. * Game for longer cordless when the Razer Ouroboros is conveniently powered by a single AA battery with up to 12 hours of continuous gaming.