The Freestyle Projector:The HD projector features unique exterior desgin and Hi-chip A3100.Equipped with 1GBand8GB ROM storage, it can stream movies, shows, live sports and music from your phone or laptop. (Built-in 3Wx1 HiFi speakers)2.4 or 5G WiFi BT 5.0 Video Projector:The HD Portable Projector equipped with latest 5G dual band WiFi, with higher transmission rate and lower latency, a few seconds will be wirelessly synchronized to get a big screen. Built-in BT 5.0 chip, the projector allows you to connect the ideal Bluetooth speaker or headphone at any time and save every detail of the sound effect to offer you different sound scenes.Auto Keystone Correction:The HD mini projector adopts manual focus and auto keystone correction technology, built-in high-precision sensor, detects real-time movement and focuses faster and more accurately. Please use manual focus after the projector boots up. Auto keystone correction can automatically correct the image up and down.the left and right cannot adjusted.Multifunctional Smart Projector:This portable theater projector is easy to take anywhere: With a stand that rotates 180 degrees, you can position your image from floor to ceiling where you want it. The Freestyle gives you the flexibility to view your favorite images on the large 130-inch screen.Support 4K or 720P FHD Home Theater Projector :With 1280x720 native resolution, 10000:1 high dynamic contrast ratio, and support Full HD 4K videos decord. The mini projector also has 50 percent zoom function and lower noise to 25 dB, ensure an impressive sound environment. With an Android 11.0 operating system, access your favorite streaming apps directly from the Google Play Store.Product Feature:5G and 2.4G WiFiBT 5.0Support 4K130-inch screenAuto Keystone Correction180 Rotation3W Hi-Fi SpeakerPortable Size50-100 percent ZoomColor:WhitePackage includes:1 Pc x Spotlight HDNote:Q: Resolution 1280 x 720 supports 1080P, does it mean that the resolution can be adjusted to 1080P Answer: Resolution cannot be adjusted. The meaning is that the resolution of this machine is 720, but it can play 1080p video sources.Q: Is there a built-in battery Answer: This model does not have a built-in battery and needs to be plugged in for use.