... cooler and warmer mattress in the market; What the technology and mattress use, No leakage risks, No electromagnetic radiation, ... people child pregnant woman patient1,Fitness Training improving sleeping,can improve the Joint Pain, old, varicose veins, ... to customer requirementsPower rating50-60HZBe allowed to fold?It can be curly, avoid bendingScheduled time12 hoursStorage conditionsRoom temperature, ...