Tri-Mode BT5.1+BT5.1+2.4GHzUnlike 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 2.4Ghz 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 2.4GHz wireless for low-latency gaming and Bluetooth for additional versatility. Rechargeable & Battery Level DisplayThe mouse features a transparent clear cool shell that not only looks stylish but also helps you keep track of the battery level.Our mouse has a built-in high-performance rechargeable battery that lasts up to 30 days when fully charged, with a long standby time of just 40 minutes for a full charge; visual display of remaining battery power for easy viewing of real-time power status; automatic hibernation mode effectively reduces unnecessary power consumption and wakes up again