I'm selling a mouse because I bought a new one. I used it for about six months, and there are no noticeable scratches. The following is quoted from the Amazon product details: - The Razer HyperPolling Wireless Dongle supports ultra-fast connections of up to 8,000Hz wirelessly, delivering unprecedented performance. When used with compatible cutting-edge Razer mice, it achieves a new level of responsiveness, allowing you to enjoy the best performance in your gameplay. - 【RAZER HYPERPOLLING WIRELESS TECHNOLOGY】By combining Razer HyperPolling technology with the ultra-low latency connection technology Razer HyperSpeed, we have developed the world's fastest wireless technology. It achieves up to 8 times faster connection compared to a normal mouse. - 【Automatically switches polling rate for games】By setting the polling rate for your favorite games, Razer Synapse will automatically adjust the mouse's polling rate according to the title you are playing. - 【Compatible Mice】Razer Cobra Pro, Razer Viper V2 Pro, Razer DeathAdder V3 Pro, Razer Basilisk V3 Pro, Razer Viper V3 HyperSpeed