... to alleviating the symptoms of cervical spondylosis,periarthritis, arthritis, and lumbar muscle strain ;2. It can ease peripheral ... specific characteristics of your shoulder, waist, joint,hand&foot, and leg, which makes effective therapy Specification:Power Source:DC4 ... :at 5-55oC;Environment:humidity<80% RH;Storage and Transportation temperature:temperature -20-55oC;Environment:humidity<10-95 ...