HTC Nexus 9 Keyboard Folio Multipurpose design - Closed, it protects your Nexus 9. Opened, it becomes a responsive mechanical keyboard. Folds into two angles - Work or watch comfortably no matter where you are. With mechanical keys you'll type with confidence. Attaches magnetically and pairs wirelessly - Attaches to the back of your Nexus 9 magnetically and pairs wirelessly via Bluetooth. Get up to 5 months of battery life on a single charge. Multipurpose design - Closed, it protects your Nexus 9. Opened, it becomes a responsive mechanical keyboard.NOTE: 'The item to be charged overnight with the charger included'. Folds into two angles - Work or watch comfortably no matter where you are. With mechanical keys you'll type with confidence. Attaches magnetically and pairs wirelessly - Attaches to the back of your Nexus 9 magnetically and pairs wirelessly via Bluetooth. Get up to 5 months of battery life on a single charge.