Auawak Rapoo 7100P 5G Wireless Ergonomic Programmable Optical Engine Mouse for Laptops Desktops and PC - Black By using 5G wireless transmission and keeping away from the 2.4G wireless channel, interference from Bluetooth and Wi-Fi equipment can be avoided. With Rapoo's latest energy saving technology and power switch, you can use your mouse without power interruption for up to 18 months. You can scroll up and down, or scroll from side to side in documents or in your browser for the accurate navigating. Choose for low DPI for accuracy or high DPI for fast movement. You can instantly switch between 500 and 1000 DPI. So small and unobtrusive, you can plug it into a USB-port and forget about it. No more worries about lost receivers.