The two chambers fit the head decompression curve. Balanced release of head pressure on the pillow improve the time of deep sleep. 1.Natural traction can improve the amplitude of cervical spine. Cervical vertebra position normal healthy curve continue to effectively care for sleep health. 2.Breathe better and reduce snoring Breathe well, keep oxygen flowing to your brain. Effectively reduce snoring, natural breathing wake up refreshed.Multi-purpose alternate between large and small air sacs. Pillow height fits most people's sleep needs. Flexible adjustable meet your different needs, to meet the needs of different body stretching and sleep height.JFT health massage pillow can effectively relieve cervical spine problems, improve sleep quality. Stretch your head naturally to zero pressure sleep. Imported Lycra fabric dry and breathable. Air micro circulation system is formed inside and outside the pillow to create a breathable and dry comfortable sleeping environment.