I already found a low cost IR pen on
http://www.dhgate.com/pv-ff80808132cc98820132d8623ec42d7c.htmlThe price low to US 3.55/pices for freeshiping to some countries.
But I still looking for the low cost pressure-tip pen. It will be good that the price low than US 10.
and it can be used on the soft surface. Does anyone can suggest?
