The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist. Small size, lightweight, easy to carry and store. 10 adjustable Intensity gears, that meet different needs. Massager part: Neck/back/waist/hip/leg and other parts. Massage technique: Shiatsu, knee pad, thread tape, massage. Usage mode is made for use: A ~ F (6 modes) 10 adjustable modes, meet different needs. Frequency: 1~100Hz Running Time: 12 minutes Output current: Up to 9.8mA