Gree Sleeper has an intelligent optimal sleep system and is equipped with the world's leading 1 Hz low-frequency control technology. It also has 4 sleep modes, namely sleep mode, wake mode, nap mode and DIY mode, to meet the needs of various sleep conditions. Six Gree-patented humidity control systems provide more precise linkage humidity control; the intelligent optimal sleep system includes 20 decibel intelligent control, original ventilation and breathing technology, national patented intelligent humidity control technology, national patented sleep technology and 2.4G radio frequency technology. technology.