★ 2.4G Wireless optical pen mouse, the transmission distance can be up to 33 feet. Plug and play: means your needn't install any software!
★ High responsiveness: 800, 1200, 1600 DPI levels adjustment, provides more sensitive than standard optical mice for smooth and precise tracking on a wide of range surface
★ Scientific ergonomic design encourages hearthy neutral "handsake"wrist and arm positions for smoother movement and less overall strain.
★ It can be used on the PPT when you are having a teaching meeting, business meeting, working PPT speech and other occasions. Portable and Convenient: It is small enough for fit your pocket for everywhere. It only suitable for right hand people.
★ Compatible with: Windows ME/ NT/2000/XP/Vista/Windows10, 7/Android/Linux/MacOS. Battery: 1 x AAA battery (not included). 100% Satisfaction Guarantee: 30 days money back, 90 days warranty.