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.