CRUBON Keyboard Case 10.2 inch for iPad 9th /8th / 7th Generation 2021 / 2020 / 2019 Model ), Magnetically Detachable 7color Backlit Wireless Bluetooth Keyboard Leather Cover with Pencil Holder CRUBON Keyboard Advantages： 1. This Keyboard comes with a nice case and the keyboard itself sticks to the case with a magnet which is powerful enough to keep it in its place. 2. The backlight on this keyboard also helps to type in darker places without having to search for the right keys. The color of the backlight on the keyboard can be changed as well. 3. The battery life is very decent and I have only charged it once since I received this about a week ago and it's still plenty of juice left to last another few weeks. 4. The Keyboard itself connects to the iPad via Bluetooth which I believe is low power 5.0 version. Keyboard backlight operation method: NOTE: Keyboard backlight function only after connecting Bluetooth 1. Press the button that looks like a "light bulb" once, and the monochrome light of the keyboard will light up (press the "RGB" key to choose the light color you like) 2. Press the button that looks like a "light bulb" twice continuously, and the 7-color light will display in a loop; 3. Press the button like "light bulb" for the third time, the keyboard light will turn off How to connect a Bluetooth keyboard? Step 1: Unlock the tablet. On the homepage, click the "Settings" icon. Step 2: In the "Settings" directory, turn on the "Bluetooth" button, Let the iPad in the "search" state. Step 3: Turn on the power switch of the Bluetooth keyboard, that is, the power indicator light is blue. Step 4: Press the "CONNECT" button, The indicator light will flash blue. Step 5: iPad shows "Bluetooth keyboard" as available equipment. Click the "Bluetooth Keyboard" letter on the iPad screen. Step 6: The "Bluetooth keyboard" name will be displayed as connected. Package Contents: 1 x iPad 9th / 8th/7th Gen 10.2 Case(Tablet and Pencil NOT included) 1 x Wireless Keyboard 1 x USB Charging Cable (No Charger) 1 x User Manual Note: When you put the keyboard inside the 10.2 iPad 8th Generation case, it doesn't have an automatic sleep function. You should set your iPad to sleep automatically to save iPad life.