The M40 toilet has a noise reduction function that effectively reduces the sound produced by flushing to just 55 dB. Its foam shield blocks bacteria, splashes and odors, establishing protection for your toilet experience. And thanks to the touch-free operation system, users avoid contact with bacteria. Designed by Wenjun Sun, Bo Xiao, Hengyang Luo, Desheng Liao, and Chao Chen.