1.The recommended projection distance is 2m-3m.
2.The projector works better in a relatively dark environment.
3.The projector mainly used for home entertainment, NOT recommended for Powerpoint, Word, Excel or business presentation.
4.Only HDMI and AV cables are included, cables to connect with your smartphones are not included.
5.Dolby is not supported. If there is no music when connecting the HDMI device, please turn off the Dolby sound.
6.Adjust the 15°± Keystone Correction to make the image rectangle. Adjust the Focus Wheel to make picture clear.