About Gaming Sensor: Next-gen gaming sensor delivers up to 10x the power efficiency of other gaming mice with exceptional accuracy and responsiveness thanks to 400 IPS precision and up to 12,000 DPI sensitivity. Wireless: Ultra-fast wireless technology gives you a lag-free gaming experience. The G305 Wireless Gaming Mouse offers incredible responsiveness and reliability with a super-fast 1 ms report rate for competition-level performance. Extremely Long Battery Life: The Logitech G305 Wireless Mouse boasts an incredible 250 hours of continuous gameplay on a single AA battery, so you can play at your peak without worrying about running out of power. Lightweight Design: Thanks to an efficient mechanical design, the G305 gaming mouse weighs in at only 99 grams for high maneuverability. Portable Convenience: The durable, compact design with built-in USB receiver storage makes the G305 easy to take with you. Note: For wireless mice, the USB receiver is included inside or with the mouse. We strive to provide you with excellent after-sales service. Whatever problems you encounter, our professional team will do their best to solve them for you and ensure you have a pleasant shopping experience.