There are many cheap projectors for both iPhone and Android phones on Amazon. However, it is difficult to pick both quality and cheap projector.
The author gave a list of the best projectors under $40. See the video and pick one you like.
- Smartphone Projector 2.0
- Smartphone Projector
- Deeplee Mini Projector
Video Author: LOOTd
See another post about projectors for iPhone and Android phones.
