Home Projector 【AI Auto-Adjustment Function & Dolby Ultra Surround】 30000lm High Brightness 【Completely Sealed Dustproof & Self-Developed WOS2.0】 iWiMiUS K11 Projector HDMI ARC Two-Way Bluetooth 5.3 WiFi6 Silent 4K Compatible 300" Large Screen Home Theater Business Projector Compatible with Smartphones/PC/DVD/Switch/etc. Japanese Instruction Manual Only tested after purchase Stored at home From Amazon: 【Self-Developed WOS2.0 & Dolby Ultra Surround & Completely Sealed Dustproof Design】 Equipped with WIFI and Bluetooth, we have created an upgraded version of the WOS2.0 system, and with its powerful processing capabilities, it eliminates the inconvenience and delays of conventional operations, providing a smooth and seamless experience. The excellent features make setup easy. Avoid obstacles, align the image with the screen, and maintain image clarity. No more worrying about removing wall decorations or images spilling over the edge of the screen. Prevents obstacles from affecting the projection effect and always keeps the image within the screen. AI image quality optimization provides an excellent visual experience in every frame. Advanced LCD Pro and color reproduction technology, covering 98% of the NTSC color gamut, provides natural light and dark filtering and clear contrast, enhancing the realism and vividness of every scene. 【30000 Lumens & 4K Compatible & Silent Mode】 The 1080P projector supports 4K resolution, projecting details with stunning clarity. Furthermore, 100% NTSC and HDR 10+ provide clear and realistic images with vivid colors and deep contrast. The projection ratio is 1.25:1, allowing for a 150-inch large screen projection. It supports aspect ratios of 4:3 and 16:9, and also has a 50% zoom function, meeting diverse viewing needs. This projector also features a silent mode. By reducing the brightness and fan speed, the decibel level is kept below 25, enabling an immersive viewing experience! 【WiFi6 & Two-Way Bluetooth 5.3 & HDMI ARC & High-Quality 20W HIFI Speaker】