Ebay offers AOC Agon AGM700 Gaming Mouse for $6.97 (reg. $24.99) free shipping.

Product Description:
BUILT TO WIN WITH ULTRA-DURABLE OMRON SWITCHES: Equipped with high-performance Omron switches for a crisp, tactile response right at your fingertips and engineered for a lifetime durability of 50M clicks, left & right. TOURNAMENT-GRADE PRECISION: Game unrivaled with a 16,000 DPI Pixart PWM3389 Optical Sensor for pixel-precise tracking and on-the-fly sensitivity adjustment that best suits your play style. VIVID RGB LED LIGHTING: Choose between 16.8M customizable color options and numerous dynamic Light FX that can be synchronized with other AGON monitors and accessories to create the ultimate lighting setup. GAME-WINNING HEADSHOTS: Featuring a dedicated DPI sniper button (reprogrammable) for maximum accuracy and an on-the-fly DPI switch for sensitivity adjustability to match gameplay speed for a competitive advantage. 1000Hz ULTRA-POLLING RATE & 1ms RESPONSE TIME: Choose how you play with up to 1000Hz polling rate, 1ms latency, and levels of adjustability for different kinds of gameplay.