*ONLINE ONLY - Allow extra time for delivery. Ship to store FREE! During checkout select ''Store Pick-up'' as your delivery option.* Razer Viper Ultimate with Charging Dock - Black. Optical - Cable/Wireless - Black - 20000 dpi - 8 Programmable Button(s) - Symmetrical. Forget about average and claim the unfair advantage with the Razer Viper Ultimate-a wireless gaming mouse built to win. Designed to be a true extension of a gamer, this deadly predator comes with our most cutting-edge technology, and is ready to sink its fangs into the competition. 25% faster than any other wireless technology available, you won't even realize that you're gaming with a wireless mouse due to its high-speed transmission, lowest click latency, and seamless frequency switching in the noisiest, data-saturated environments. Our new, improved sensor has an industry-leading 20,000 DPI with 99.6% resolution accuracy, ensuring that even the finest movement from this wireless mouse is tracked with consistency. Equipped with intelligent functions, the sensor becomes even more accurate, allowing for an acute level of precision for game-winning headshots.