【4K Support & 400 ANSI】Our projector support 4K video complemented by a native 1080P display resolution allowing you to immerse yourself in stunning visual detail. 400 ANSI higher lightness than traditional machines color contrast is gorgeous and vivid. Ensure your high-definition movie experience! 【Ultra-fast Dual-band WiFi & Two-way Bluetooth】The latest and fastest dual-band 2.4/5G WiFi technology and support for WiFi6 provide faster and more stable connections. This enables you to enjoy a smoother video experience. In addition this mini projector also provides two-way Bluetooth connection. This means that you can not only connect external devices to improve the sound quality but you can also connect your phone to play music and enjoy your wonderful music journey! 【Fast Electronic Focus】The newly upgraded electric focus function of the outdoor projector allows you to say goodbye to the trouble of manual focus. With our remote control you can easily fine-adjust the focus in 2 seconds by pressing the F+ or F- button on the remote ensuring a clear and sharp image every time. 【Wide compatibility】This 4K projector has built-in HDMI USB 3.5mm headphone port and TF card slot. Support multiple input sources. Multiple devices that can be connected: iOS/Android smartphones tablets TV sticks laptops PS3/PS4 DVD players and USB flash drives. Due to the compatibility laws of Netflix Hulu etc. you may not be able to play these contents on your smartphone but you can still enjoy them with a TV stick (not included). 【After-sales Service】DR. J Professional team offers every customer a 100 percent satisfaction service. If you have any problems while using it please feel free to contact us via after-sales emial.