Share mobile presentations instantly with this 2.3-inch AAXA Technologies HD pico projector. It displays 80-inch HD images from 49 inches away, and its onboard media player lets you project directly from your USB storage device or microSD card. This portable AAXA Technologies HD pico projector also has mini HDMI and A/V ports for connecting a computer or mobile device.
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This projector needs a lot of thought before using. With only 50 lumens it must maintain a distance of only a foot before normal lighting washes it out (screen size is only about 15"). In a total ydark room I have had it look good at a little over 10 feet away giving me a screen size almost matching a full size bed (~130") but it does suffer sharpness issues at that size.
The packaging does not come with everything one needs for best use. I had to buy a min-hdmi to hdmi cable, a power plug that was at least 2.5aps output (2.4amps does not work) otherwise the projector will not work while charging, and use a third party speaker for sound quality that did not sound like the treble was maxed out.
I tried adding a wireless to hdmi connector to allow my iOS devices to communicate wirelessly but I got audio feed back a lot when using it.
Final thoughts: Pros- - small enough that adding it to my laptop backpack was not an issue - 2hr battery life is enough for most any impromptu need
Cons- - requires harder to find power adaptors with at least 2.5amp outputs for working while charging - 50 lumens severely limits the locations this projector will work well in - built in audio is to high pitched for me - no built in wireless connections - remote only powers off the device, it will not turn on the projector - there is no keystone feature so you have to have the project very close to the height you need - focus dial has too much play, making it very hard to get focused and easy to loose focus over time.