A4Tech G3-280N has Advanced 2.4GHz powerful wireless connection with distance up to 10-15m. It’s Auto-Channel stabilizing Plug and leave-in nano receiver provides essentially no delays or connection conflicts. Go longer between battery changes with energy-efficient engineering. Professional chip ensures longer distance and stable connection. Adjustable 4-level power saving. It will be in sleep mode in 0.2s of inactivity.16 gestures to perform selectable hotkey commands.