Helpful Recommendations of Using the QKK 2200 Lumen Home Cinema Projector.
1. 2200 Lumen, much brighter than any other mini projectors on the market.
2. 50,000 hours Led lamp life, more energy-efficient and durable.
3. Maximum projection image size up to 170 Inch.
4. Operation for projection:
1) The product is mini home cinema projector, unfortunately not suitable for PPT and business presentation.
2) You should use the projector in a dark room to get an clearer image.
3) The best projection distance should be 3 meters, and adjust the lens and optical keystone correction according to the instruction manual until the image is in focus.
4) Keystone correction: upwards 19 Degrees, and downwards 10 Degrees.
5. Suggestions for connection:
1) To connect with IOS devices (except Mac) you need additional Lightning HDMI adapter.
2) To connect with Android devices is additional Micro USB to HDMI MHL adapter necessary.
3) To connect with Mac Book Air you need additional Mini Display Port to HDMI Adapter, with Mac Book and Mac Book Pro you need additional Type C to HDMI Cable.
(All these cables are not included in the product packaging).
4) AC3 (Dolby) or Stereo Audio output can not be decoded by the USB and SD interface.
5) Audio output of some apps (like Netflix or Prime) can not be decoded because of HDCP.