Wireless Digital Pen mouse

DUO is the leading brand of wireless digital pen mouse that provides perfect tablet and mouse functions on usual laptops and computers at the most economical price range. DUO is enabling solution to make all Pcs become TABLET computers.

Technology Principle

Using technology tracking down pen position by calculating speed gap between ultrasonic waves and infrared rays.
Advantage
The most economical price range among current tablet enabling technologies
Price-indifferent to increasing monitor size, thus suitable for large size
Fine writing system using absolute coordination in calculating pen location
Support virtual space usage by Hovering feature.