Rapoo is latest technology runs at 2.4x higher frequency than 2.4G, faster, more stable than 2.4G and far away from the interference of 2.4 GHz wireless, bluetooth and WIFI device. Plug-and-forget NANO receiverSo small and unobtrusive, you can plug it into a USB port and forget about it, and you can say goodbye to worry about lost receivers. Up to 18-month battery lifeWith Rapoo's latest energy saving technology and power switch, you can use your mouse without power interruption for up to 18-month.