... 4.provide for free RioTouch Interactive whiteboards software features: 1. Two point touch Gesture control: screen moveable, previous page, ... Variety pen choices: pen, brush, traditional chinese brush, high light pen( semi-transparent color for remark or anotation), ... , Staves for music and users can add more freely.16. Multi-language: Arabic, English, French, German, Israel, Italian, Japanese ...