Hero 25K sensor through a software update from G HUB, this upgrade is free to all players: Our most advanced, with 1:1 tracking, 400-plus ips, and 100 - 25,600 max dpi sensitivity plus zero smoothing, filtering, or acceleration

If you are not 100% satisfied with the items you received, we can easily arrange an exchange or a refund for you within 30 calendar days of receipt. WPlease keep the item(s) you want to return or exchange in its new condition. Most returns can be processed within 2-7 business days after we receive your package.