Li-YiJian anion far-infrared mattress is a class II medical device?

Yes. According to the query LiYiJian anion far-infrared mattress information that LiYiJian anion far-infrared mattress is a class II medical device. Class II medical device means that its effectiveness should be controlled medical devices, including X-ray film machine, ultrasound, microscope, biochemistry, etc. are classified as Class II medical devices.