<p><b>Compitable Model:</b></p> <p><b>iPad Pro 4th Gen 12.9 (2020) A2233 / A2229 / A2069 / A2232</b></p> <p><b>iPad Pro 3rd Gen 12.9 (2018) A1876 / A2014 /A1895</b></p> <p><b>How to use trackpad?</b></p> <p>Be sure that touchpad can be used on your iPad, you need to complete below steps:</p> <p>Open your Generation Setting-Go to Accessibility-Go to Touch, under the Physical and Motor section, turn on the AssistiveTouch toggle. And you can adjust the cursor speed by open iPad Setting-Go to Accessibility- Go to Touch-Go to AssistiveTouch-Choose the Mouse Key to adjust the tracking speed.</p> <p><b>By the way, make sure your iPad Software Version is on 13.4 or above.</b></p> <p>If you don’t use trackpad, you can press “fn” and “T” together to lock the trackpad. </p> <p>How to turn on rainbow backlight and change its colors?</p> <p>Press “fn”+”lightbub”(right side of space bar) to turn on the backlight. By pressing them again ,you can adjust the brightness of backlight. There are 3 modes brightness, by pressing 4th time, you will turn the backlight off.</p> <p>Press “fn”+”RGB”(next to lightbub) to change different rainbow colors. There are various colors for you to choose. </p> <p>Press “fn”+ “Q” to turn on the breathing backlight, backlight will flash at a rate. By pressing “fn”+”W”, you can change the rate of backlight breathing. </p> <p>By the way, pressing “fn”+ “Q” also can turn on the backlight, and pressing them again will turn the backlight off.</p> <p><b>NOTICE：</b></p> <p>Backlight will automatically turn off if there is no movement on keyboard over 5 sec, while it will light up again when you press any key.</p>