Three side switches to make your workflow more efficient.;A premium design pen with a slim grip and smooth texture.;Applicable model 1: Wacom Intuos Pro (PTH-660, PTH-860);Applicable model 2: Wacom Mobile Studio Pro (DTH-W1320, DTH-W1620);Applicable model3:Wacom Cintiq Pro(DTH-1320,DTH-1620);System Requirement 1: Tablet driver v6.3.25 or later;System Requirements2: Windows 7 or later (latest SP applied), Mac OS 10.11 or later