Upgrade Mini Projector - The projector delivers an exceptional viewing experience with its 9000 Lux brightness and 1080P and 4K Full HD resolution, supporting a 30-180 inch display (recommended 60-100 inches). Utilizing advanced LED technology and uniform illumination, the vedio projector ensures bright, clear edges and vibrant, true-to-life colors for dynamic, high-quality images. Designed with diffuse reflection technology, it reduces eye strain for comfortable viewing. Movie Projector - Enjoy home theater quality sound with this mini projector’s built-in Hi-Fi stereo speakers, delivering original audio fidelity and rich, distortion-free acoustics. For a personalized experience, connect headphones or external speakers via the audio output port. Advanced noise reduction technology slashes fan noise by 80% while enhancing heat dissipation, ensuring uninterrupted immersion in movies, music, and games. Engineered with a high-efficiency cooling system, this projector maintains whisper-quiet operation without compromising sound clarity—whether using the built-in speakers or your own audio setup. Every detail, from dialogue to bass, comes through with stunning precision, transforming any room into a cinematic escape. Portable Mini Projector - The compact projector combines true portability with stunning visuals - its smartphone-sized body (6.69x4.9x2.64 inches /1.4LB) fits effortlessly in handbags, while the convenient carry handle makes it perfect for travel, camping or business trips. Powerful Performance in Pocket-Size Design. Multimedia function smart projector- mini projector features HDMI/USB/AV/Audio/Chromecast ports, offering plug-and-play connectivity with iPhone/Android phones, tablets/iPad, laptops/MacBook, TV boxes, PS4/Xbox, Blu-ray players, USB drives, and more. Perfect for home theater, gaming, outdoor movies, and presentations, it transforms any space into an entertainment hub. (Note: Due to HDCP copyright, use Fire Stick/Roku Stick for streaming services.) Certified CE/FCC/RoHS/PSE for safety and reliability Bluetooth connectivity that allow you to wirelessly connect with your favorite speakers or headphones. Immerse yourself in a private viewing experience and elevate your enjoyment with our Bluetooth projector.No need to buy extra speakers.