Backlight: Features key backlight, enabling easy typing in low-light conditions Stand Function: The tablet case can be converted to a supporting stand for hands-free movie watching and web surfing Premium Material: The case is made from high-quality PU leather material, offering a delicate touch and premium feel Lightweight and Portable: Designed to be lightweight and portable, making it easy to carry and use anywhere Touchpad Design: The built-in touchpad allows you to navigate and control the cursor like a laptop, you don't need to touch the screen or buy an additional mouse. Easily edit documents, browse the web and build presentations with unparalleled speed Specifications: Product size: 28.3*23*1.6cm Modulation mode: GFSK Working voltage: 3.0-4.2V Working current (typing at a constant speed without backlight): 2.5mA Standby current: 0.5mA Sleep current: <0.04mA Charging current: 200mA Standby time: ≥2000 hours Charging time: 2.5 hours Working current with brightest backlight: about 120mA Continuous working time with brightest backlight: >4 hours Backlight sleep time: 30 seconds Keyboard deep sleep Time: 10 minutes Lithium battery capacity: 500mAh Continuous working time without backlight: 200 hours Operating system: iOS 15.0 and above (the device must support touch) Touch settings (after successful wireless pairing): Settings-General-Touchpad-Tap to click/Two-finger auxiliary point (on) Sensitivity settings: Settings-General-Touchpad-Tracking speed (adjust to the appropriate speed) Touch function abnormality: 1. Settings-Assistive function-Touch-Assistive touch on or off. 2. When there is no mouse icon on the tablet, you can pinch to zoom to restore Note: Please store and use the product at room temperature. Do not disassemble, repair or modify the product by yourself. Do not expose this product to rain or humid environment. Do not wipe this product with chemical solvents. Do not throw it to avoid damage to the product due to falling. If not used for a long time, please charge the product once every 2 months. Do not discard it at will, or place it in high temperature or fire to avoid danger.