For Samsung Galaxy Tab S9 Ultra Leather Case + Touchpad Bluetooth Keyboard with Backlit Premium PU leather tablet cover can protect the tablet against daily scratch and damage With Bluetooth 5.0, 300mAh battery built-in, durable to use The case can be used as a tablet stand for hands-free use With touchpad function, it will offer a great aid when you do not have a mouse in hand Featured with bright backlight, making your keyboard gorgeous and special Specifications: Bluetooth version: 5.0 Lithium battery capacity: 300mAh Working hours: 100 hours Standby time: >100 days Battery life: 3 years Number of keystrokes: 5 million times Key function introduction: Fn+C: Turn on the Bluetooth keyboard FN+Ctrl: Back to the main page key FN+Win: close the touch version FN+F11: Volume up Package included: 1 x Integrate Tablet Keyboard Leather Case Other items not included