Aula Optical Wired Gaming Mouse with 800-2000DPI (Killing Soul SI-928) Optical wired USB gaming mouse with 800-2000DPI 7 mouse button including forward backward DPI firepower Unlimited firepower and self-defining dual mode switching system and ergonomic design and long term use without fatigue Up to 2000DPI with 3 adjustable levels: 800-1200-1600-2000DPI 1000Hz polling rate, Gold-plated USB Connector with reliable connectivity