Bluetooth is a function of mobile phone to transfer files face to face or connect some applications. If you are sure that you didn't open it yourself, there may be software to help you open it. If you can't check it out, it is recommended to restore the factory settings and try it.

The Bible Reading Machine is a brand-new product for the education and study of Chinese studies. It can easily learn Chinese classics, cultivate traditional culture, listen to music, learn moral education stories, and develop language ability, imagination ability and music feeling ability.