Viewsonic M1 Projector Review: Packing quite the audio
http://bestcheapprojectors.over-blog.com/2019/12/viewsonic-m1-led-projectors-indian-5w-rs-36200/piece.html
The Viewsonic Mini Projector M1 Led Game As you will rarely apply your projector anywhere that doesn't have a power outlet, it's inconvenient to need to tailor your use around the length of time the battery