M9 Case, Pasonomi&reg; [Smart Window View] HTC One M9 Folio Wallet Case - Slim Flip Leather Case For HTC One M9 Smartphone (Blue) Designed Specifically for HTC One M9 Smartphone. Fashion design keeps your screen private and feels good. Designed with smart window in the front and transparent back view at back. Protection: Provides maximum protection from accidental drops and scratches. Accruate cut-out for all controls and buttons.