Wireless optical pen mouse used for handwriting or drawing

2.4GHz wireless connection, up to 10m operation distance (depend on environment)
Power saving: if there is no 2.4GHz signal, it will automatically power off.
Ergonomic design, fits comfortably on your hand, low voltage alarm function, reminds you to replace battery in time.
Pen shaped, especially suitable for handwriting input. Real Plug and Play, no extra driver needed.
Compatible with : Windows, Tablet PC, Ma c OS X, Linux