This smart video projector has Android System, Powerful ARM Cortex A53 Quad-core CPU, run more smoothly, you can watch a various of movies online. Bluetooth 4.0 enables you to connect the Bluetooth speakers / mouse / keyboard /gamepad to it. With upgraded 6000 Lumens brightness and 15000:1 contrast, the home projector provides crystal clear and lifelike images with rich details to you. Native Resolution of 1920x1080, support full hd 1080p,2k and up to 4K. 50-300 inch projection size provides outstanding Big Screen Experience. Build-in stereo surround speakers, restored every detail sound effect to let you enjoy the pleasure sounds in different scenes. Supplemented with dual cooling fans to guarantee the stability of clear images, extending working life.