1. 2.4GHz wireless mouse, optical technology. 2. Mini receiver hidden in the mouse button, plug and play. 3. Built-in energy saving system. 4. Elegant and ergonomic design, comfortable to use. 5. Scroll easily in any direction 6. Comfortable in using, can be used any surface, even glass also no problem. 7. Work distance: Within 10 meters. 8. Compatible with windows and Mac OS. 9. RF operation channel: 16; auto frequency hopping raged. 10. Power by 2 x AAA batteries (not included), operation current and voltage: 15mA 1.5V.
