About this Gaming Sensor: Next-gen mouse sensor delivers up to 10x the power efficiency over other gaming mice with exceptional accuracy and responsiveness to 400 IPS precision and up to 12000 DPI sensitivity Wireless: Ultra-fast Wireless technology gives you a lag-free gaming experience. The G305 wireless gaming mouse delivers incredible responsiveness and reliability with a super-fast 1ms report rate for competition-level performance Ultra-Long Battery Life: The G305 wireless Logitech mouse boasts an incredible 250 hours of continuous gameplay on a single AA battery so you can play at peak performance without worrying about running out of power Lightweight design: to an efficient mechanical design, the G305 gaming mouse weighs in at only 99 grams for high manoeuvrability Portable Convenience: The durable, compact design with built-in USB receiver storage makes the G305 means you can take it with you. Note : In case of Wireless mouse, the USB receiver will be provided inside or along with the mouse 1481Perfect after-sales service: any quality issues or do not like it after receiving it, and we provide free return and exchange services