Please check your tablet model on the back of tablet Press any key and wait 2-3 seconds to wake the keyboard. Note: The keyboard will automatically go into power savings mode after 10 minutes of inactivity.
(No need to click 'BT 3.0 Keyboard' and press'Fn+C' key. You only need to open the keyboard and tablet power, press any key on the keyboard. Now keyboard is matched with tablet, the Bluetooth indicator light goes out.Search 'BT 3.0 Keyboard' for matching tablet to keyboard.Press 'Fn + C' button into Bluetooth matching condition, the Bluetooth indicator light will flash.
CHESONA Keyboard Case for Microsoft Surface Pro 7 (2019 New Release) / Surface Pro 6 (2018 New Release) / Surface Pro 5th Gen (2017 New Release) / Surface Pro 4 12.3-Inch Windows Tablet - PU Leather Flip Stand Type Cover