"http://www.amazon.com/gp/product/B00EWEHI5K?tag=httpshoedaydb-20
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 worlds 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 increasedecrease the mouses 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
Razer Ouroboros Elite Ambidextrous Gaming Mouse"