Navigator 905 High precision blueEye tracking 2.4GHz notebook mouse BlueEye Tracking is a powerful engine with high laser precision that lets you work almost anywhere 2.4GHz anti-interference RF technology extends your operating range up to 10 meters Intelligent power saving technology can save battery power up to 40% Stick-N-Go mounts provide convenience, attaches your mouse to your notebook 2-in-1 slot for Pico Receiver and Stick-N-Go mount