WiFi Syncscreen Function: The phone projector adopts the latest WiFi connection technology, compatible with both IOS and Android smartphones. Just connect the video projector to the same wifi with your device, then turn on sync screen mirroring function for the projector and your device. Palm-Size and Large Display Size: This mini projector is equipped with the most advanced short-focal-lens, which means you will get a much bigger and better image size at the same projection distance, our projector provides projection sizes from 30" to 170" and owns a zoom function from 75% to 100%. It is easy to carry and operate, with the noticeable modern industrial and streamlined design.