I believe this is a relatively clean used item. For those who want to buy it a little cheaper. ■ Newly developed MagSpeed electromagnetic scroll wheel 90% faster than previous products* and 87% more precise than MX MASTER 2S ■ Supports Logitech Flow, allowing you to work on up to 3 computers ■ Newly adopted USB-C charging for smarter charging https://press.logicool.co.jp/ja-jp/ShengChanXingnoXiangShangyaKuaiShinaShiYongGanwoZhuiQiushita-huratsugushitsupumoderumx-master-3adobansudo-waiyaresumausumx-keysadobansudo-waiyaresu-irumineitetsudokibodomxpamuresutoFaMai/ Thank you for viewing.