COMPATIBILITY: Galaxy Z Fold 4 keyboard holster with Bluetooth wirelessly connects, new office experience, the mute button doubles the efficiency of smooth typing, keyboard holster only compatible with Samsung Galaxy Z Fold4. BUILT-IN PEN HODER: The Samsung Z Fold 4 keyboard with S Pen holder, the pen slot is more convenient for storage and use, and Easy to install and remove without hurting the S Pen. Please NOTE: S Pen NOT included. FOLDING BRACKET: Fold 4 keyboard built-in folding bracket, steady support does not slip quite enjoy a good time, the new design is flexible, meet the needs of life. PREMIUM LEATHER: Selection of grain leather, transfer delicate touch between the palm, light luxury elegant experience. In magnetic separation design, the independent keyboard can be split. THIN AND LIGHT: Thin, light, and portable, meet your travel, office, entertainment, watching TV all kinds of needs. Keyboard rechargeable, A large built-in battery lasts longer.