2.4Ghz Wireless Optical Touch-Pen Mouse Grey/Silver/Black

2.4Ghz wireless mouse, transmission distance up to 10m. Innovative mini pen-style mouse provides accurate and easy control of the mouse cursor, Three resolution adjustable 800/1200/1600DPI, provides more sensitive than standard optical mice for smooth and precise tracking on a wide of range surface, Scientific ergonomic design, wrist and arm positions for smoother movement and less overall strain, Use it as an optical mouse with your laptop and desktop, or just flip mouse over to use it as a stylus with your tablet, Designed with a wheel for page turning during PPT presentation