Unlike wireless mice bluetooth 4.0, This wireless mouse is equipped with an upgraded Bluetooth 5.0 chip, providing a more stable and low latency connection. You can also use the more stable and interference resistant 2.4G hz wireless connection, plug and play, no driver required, and up to 3 devices can be connected. Simply touch the switch on the back to swap between 2.4GH z wireless for low-latency gaming and Bluetooth for additional versatility.