For OnePlus Pad Leather Case + Bluetooth Keyboard with Backlight Trackpad - Black Smart touch keyboard cover: Magnetic absorption separation/horizontal and vertical support intelligent touch Four Modes It's easy to play: Horizontal, vertical screen mode, handheld mode, and keyboard mode can be easily switched Casual and portable Comfortable travel: Portable, convenient for office and entertainment Comfortable keys: The key area is increased by 50% and the chance of accidental touch is greatly reduced to bring a comfortable typing feel Wide compatibility: Cell phones, tablets, and laptops are supported and can be switched Specifications: Bluetooth: Bluetooth 5.2 Battery: Li-ion 150mAh Working time: 100 hours Standby time: >100 days Battery life: 3 years Number of key presses: 5 million times Bluetooth mouse function introduction: FN+C key: open the Bluetooth keyboard FN+Ctrl key: return to the home page FN+Win key: close the touchpad FN+F11 key: volume+ Package included: 1 x Bluetooth Keyboard Case Other items not included