Before connecting your DR.J projector to your phone, you need to get an HDMI adapter.

How to Connect DR.J Projector to Phone?
  1. Make sure that your phone supports MHL.
  2. For Android smartphones, please use a Wireless HDMI Dongle or android to HDMI Adapter.
  3. For iPhones, you need a Lightning to HDMI Adapter. Plug the HDMI port into the DR.J projector, and plug the corresponding end into your phone.
DR.J Projector to Phone HDMI

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