Description: Rapoo 3900P 5G Power Efficient Ergonomic Wireless Mouse Using the second-generation 5G wireless transmission technology and staying away from the 2.4G wireless channel, interference from Bluetooth and Wi-Fi equipment is avoided. The applied new laser engine technology only consumes 25% of the power that other standard laser mice require. Use your laser mouse for an ultra-long time without replacing the batteries. Scroll up and down, or from side to side. For accurate navigation and control in your files, documents and internet browser.). Choose for low DPI for accuracy or high DPI for fast movement. You can instantly switch between 800 and 1600 DPI. So small and unobtrusive, you can plug it into a USB-port and forget about it ultralow power leser sensor, 4d scroll wheel for fast browsing, 24 months battery life 2 Years warranty

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