... with any computers with Windows® 2000,Windows® XP, Windows® vista,Windows®73) portable and smart, only 0.15kg. Main ... : replay the text of whiteboard9)Withdrawal and recovery: revoke or restore the previous action10)Index: view, edit, copy, paste, delete ... higherInterfaceAt least 1 USB portOSWindows® 2000,Windows® XP, Windows® vista,Windows®7Memory256M or more Hard disk At least 500MB remaining ...