Large 180° rotating screen by phone This intelligent projector has a 180° rotating design and can direct the 180° inclined projector in all directions, including the ceiling. You can point the projector at the ceiling of the bedroom and then place it on the bed to watch the film. It can provide clear images on 40-130 inch screens. Can create a very large picture in your room. Android 11 & Built-in Dual Frequency WiFi 6 This portable mini projector has a built-in 5G + 2.4G WiFi 6. Wifi 6 offers you a smoother online video experience without delay. This means that the projection will be faster and more reliable. With Android 11, no matter where you go, you can watch movies or presentations on your favorite platform. It is not necessary to buy additional TV boxes. It is very suitable for outdoor activities. Bluetooth 5.0 & Speaker This mini WiFi projector has built-in 5W stereo speakers with a HiFi system that provides an excellent listening experience: ultra-clear and powerful sound. So you don't need to buy additional speakers. You can enjoy the family drama with your family. This projector is also equipped with Bluetooth 5.0 and can support a stable connection to various Bluetooth speakers. 4K Support & Horizontal Automatic Keystone Correction This native 720P high-resolution mini projector supports 1080p 4K, with impressive image quality, good brightness of 10000 lumens and a contrast of 10000:1. This can give you a good picture. The projector offers automatic horizontal key correction and manual keystone correction, so you can easily adjust trapezoidal images with the right scale and angle. Small Size & Long Life & Satisfactory Warranty This intelligent projector uses imported concentration technology, 3 glass lenses. It is compact enough to fit in a bag for travel or camping. The service life of the light source is up to 50,000 hours. Please contact us at any time if you have any problems during use.