Gaming Sensor: Experience next-generation mouse sensor technology that's 10x more power-efficient than other gaming mice, delivering exceptional precision and responsiveness with 400 IPS tracking and up to 12,000 DPI sensitivity. Wireless: Ultra-fast wireless technology provides lag-free gaming. The G305 Wireless Gaming Mouse offers incredible responsiveness and reliability with a lightning-fast 1ms report rate for competition-grade performance. Extreme Battery Life: The Logitech Wireless Mouse G305 boasts up to 250 hours of battery life on a single AA battery, ensuring incredible continuous gameplay so you can play as much as you want without worrying about running out of power. Lightweight Design: Thanks to an efficient mechanical design, the G305 Gaming Mouse weighs only 99 grams for high maneuverability. Portable Convenience: With a durable, compact design and built-in USB receiver storage, the G305 is easy to take with you anywhere. Note: For wireless mice, the USB receiver is included internally or with the mouse.