Sou Hu Cai Jing·2025-10-29 04:09Core Viewpoint - Lei Jun responded to questions regarding the REDMI K90 series, focusing on speaker, camera features, and phone accessories [1] Group 1: Speaker Features - The K90 Pro Max features a large rear speaker with two layers of protection: an outer metal dust cover and an inner dust net, passing the IP68 dust and water resistance test [3] - Users can utilize the built-in speaker cleaning function or visit service points for deep cleaning if dust accumulates [3] Group 2: Camera Features - The K90 series supports a "Super Moon" feature that activates automatically when zooming in on the moon at 20x or more [4] - The camera watermark function has been significantly upgraded, offering various types of watermarks, including motion, standard, check-in, classic, and film watermarks, with enhanced customization options [4] - Users can customize watermark details such as border position, frame color, and personalized labels, with varying levels of customization across different watermark types [4]