About this Gaming Sensor: Next-gen mouse sensor delivers up to 10x the power efficiency over other gaming mice with exceptional accuracy and responsiveness thanks 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: Thanks 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: If you have any quality issues or do not like it after receiving it, and we provide free return and exchange services