2 Year Satisfied Warranty?AuKing team offers every customer 100 percent satisfaction guarantee. If you have any problems while using it, please feel free to contact us. Please rest assured that we also have 2-year warranty. Not recommended for PPT, or business presentation, it is a home theater projector. Just feel free to enjoy a fun outdoor home theater. Multiple Devices Connection & Portable?Our portable movie projector is fit for playing videos, photo sharing, football matches, etc. Equipped with HDMI, VGA, AV, and USB interfaces, it can be perfectly connected to smartphones, laptops, pads, USB drives, and TV boxes to enjoy big games. ?When connecting with phone, an extra HDMI adapter is needed to be purchased separately. Due to copyright of Apps, Netflix, Prime Video, Hulu, etc. can only play via TV Stick, Roku, etc. ?. Low Noise & Dual Stereo Speakers?Thanks to advanced noise reduction technology, the fan noise of AuKing Upgraded phone projector is reduced by 80%. Built-in dual stereo speakers provide you with loud and crystal clear sound quality. Connecting to external speakers will achieve a higher sound quality If you want. Huge Screen & Long Bulb Life?200 inch large projection screen brings an immersive viewing experience. AuKing portable projector provides a 35~200 inches projection size with 3.6ft to 16.4ft projection distance. Use it for more than 15 years due to the powerful cooling system cools the heat of bulb effectively, extending the lamp's life up to 55,000 hours. More durable than previous models. AuKing 2024 Upgraded Projector?With latest 1080p Full HD resolution supported, AuKing portable projector brings you a clear and sharp detailed images. Adopted the latest color reproduction technology, every details on the screen is accurately restored to ensure a real and color-vibrant viewing effect.