Reliable multi-mode wireless connection: connect via Bluetooth 3.0, 4.0 and 2.4 GHz Connect to multiple devices Switch among connected devices in one click Ultra-slim elegant design from aluminum alloy Compact travel design Adjustable 1300 high-resolution DPI sensor Silent click Up to 6 months battery life Switch between Bluetooth 3.0, 4.0 and 2.4GThe smart switch between Bluetooth 3.0, 4.0 and 2.4G ensures stable wireless transmission. You can still use your mouse regardless of USB port shortage or the loss of receiver.Intelligently switch among multiple devicesM600 intelligently connects to the working device. It simultaneously connects to up to 3 devices, and switches among them with ease. It simplifies complicated cross-platform use and meets multi-tasking requirements.1300 DPI tracking engineYou will enjoy responsive and smooth cursor control with the 1300 DPI invisible tracking engine.Up to 12 months battery lifeWith Rapoo's energy saving technology and power switch, you can use