Razer Boomslang, the fist mouse ever created by razer(my knowledge). It has a not so amusing shape to me, I hate the shape of this mouse, even when I don't have this mouse.
-1800dpi Razer Precision™ 3G infrared sensor
-1000Hz Ultrapolling™ / 1ms response
-32KB Razer Synapse™ onboard memory