a strange problem with my keyboard

Hardware & Accessories

hey guys! so, a few weeks ago I bought a keyboard for my iPad minny3. there is a strange problem with it. so, whenI wanna type something, for example I will open the pages app. And when I begin typing, suddenly while I type VoiceOver says quick naf off and I can't type, and I can't turn the quick naf back on. any ideas? am I doing something wrong? any help will be really greatly appreciated!