Dux Ducis Domo Tri-Fold Smart Folio Case for OnePlus Pad Go, Oppo Pad Air 2 Protective, elegant, useful and quality folio case from Dux Ducis Domo series for OnePlus Pad Go, Oppo Pad Air 2. It has a s more→mart wake up/sleep feature that saves and improves battery life for your tablet. The tri-fold design allows you to transform the case into a stand for more comfortable viewing.