The K7 Plus marks the first time that the industry has pioneered the introduction of infrared therapy into intelligent toilets, which effectively alleviates discomfort symptoms caused by perianal diseases such as hemorrhoids. Its cleaning and drying functions give users a healthier and more comfortable toileting experience. Designed by Wenjun Sun, Hengyang Luo, Xinian Han, Desheng Liao, and Chao Chen.