I've used this for about a month, but it didn't suit me, so I'm selling it. I think there are not many scratches or stains. 【High-Precision Sensor】 The DAREU EM901X is equipped with a high-precision sensor with a maximum of 12000 DPI, enabling smooth operation. 【Durability】 It has a click durability of 50 million clicks, designed to withstand long hours of use. 【Multi-functional】 It can be used both wirelessly and wired, making it ideal for games and everyday tasks. - Brand: DAREU - Model: EM901X - DPI: 12000 - FPS: 12000 - Click Durability: 50M - Accessories: User manual, USB cable - Color: Blue/White - Weight: 85g Thank you for viewing.