arteck ipad keyboard how to connect

iPad 9.7-inch (iPad 6, 2018 / iPad 5, 2017) Keyboard, Arteck Ultra-Thin Bluetooth Keyboard with… The written instructions I received are not clear. Package contents: Arteck Bluetooth Keyboard Case Cover for iPad 9.7-inch (iPad 6, 2018 / iPad 5, 2017 / Air 1), USB charging cable, user manual. 24-month Package contents : Arteck Bluetooth Keyboard Case Cover for iPad 9.7-inch (iPad 6, 2018 / iPad 5, 2017 / Air 1), USB charging cable, user manual.Thank you for choosing this Arteck HB220B bluetooth keyboard. To ensure optimum performance and safety, please read these instructions carefully before