Inspected Tested in Good Looking and Working ConditionThe Logitech G400s features exclusive Delta Zero sensor optimizations for high-accuracy cursor control. We applied specialized materials to each zone for improved comfort, control and durability. Mechanical microswitches are rated to a 20 million click lifespan. Low-friction polytetrafluoroethylene feet are tested to last an amazing 250 km.

• Exclusive 4000 DPI Delta Zero Optical Sensor: Built for consistent, high-accuracy targeting in FPS games
• 8 programmable buttons: Perform single game commands or multi-command macros with a simple button click
• On-the-fly adjustable DPI (400-4000): Instantly shift through multiple DPI settings without interrupting game play
• Ultra-durable, comfortable design: Long-life buttons rated to 20 million clicks. Sculpted comfort grip. Advanced coatings combat heat and moisture build-up