I received and tested it two days ago. Here's what I found: Brightness: Very bright, bright enough to be seen in a room with direct light. Focusing: Focusing is a bit difficult due to the size of the control wheel. In bright mode, the fan turns on and becomes very noisy. Otherwise, the fan noise is imperceptible in battery mode. Image: The image on the left is a little blurry, I think this is due to the poor quality lenses used. The speaker is loud, but cuts out at high volume. The colors are rich and good. To use its full potential, you need to turn off the lights and dim the room. Otherwise it will look blurry. However, it is the best in the same price range. Speaker: The quality of the speaker is closer to what it is, so you can use it in an emergency, but you won't enjoy listening to it. Size: The device is much larger than the picture. shows. It must be the hand of the giant. It's the size of your palm. This is a square device so you can get an idea of the size. Operating system: The operating system is a kind of multimedia operating system, not Android like a normal budget projector. I don't mind because these old operating systems are generally useless. You can use a FireTV flash drive, Google Chrome, or even a Miracast device to receive video wirelessly. Battery: It comes with a dead battery. The battery will not charge when the switch is on, even if it is not on. For the price, this device is above average. The high resolution (1080p), which is very suitable for presentations, deserves special mention. It's very bright, you can definitely use it in a presentation room with the light dimmed slightly for a better view. That's a lot better than what Anker offers. I have both those, and others, and Nebula, and capsules. Neither of them are bright enough for a normally lit room. I would recommend it for its brightness and ease of transport.
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