Step 1: Right click on the icon 
in
the taskbar
and select “RF Channel Setting”
Step 2: Tick “Channel Lock“ and distribute each mouse a different channel.
Notice:
To ensure that your mouse and keyboard send and receive perfectly, please read below instructions for your reference:
1. Interference from iron panel of PC.
To get optimal performance, please plug the
①②③④ USB Ports
2. Use USB extension wire to position the