Features1Heated Waist Massage Belt: Simulate the brain to send out 600+ times per second bioelectric current, control muscle contraction, release waist pressure, massage gently and comfortably. 2Ergonomic Design: It adopts ergonomic design, beautiful and scientific, and conforms to the curve of waist and abdomen. 3Massage Modes: 5 automatic combined electric pulse massage modes, 4 manual massage modes, which can be selected according to different needs. 43D Smart Fitting Technology: Using 3D intelligent fitting technology, the electrodes can be easily adjusted according to your waist and abdomen curve, making it more comfortable to use. 5Function: It can exercise the muscles of waist and abdomen, promote blood circulation, relieve fatigue, so as to meet the needs of various groups of people.SpecificationItem Type: Heated Waist Massage BeltMaterial: ABSBattery Type: Lithium Ion BatteryBattery Capacity: 1800mah (shipped with Built in Battery)Working Principle: Send Motion Signals to the Human Skin Through the Product, Exercise the Muscles of the Waist and Abdomen, and Adjust the Pattern of Low Frequency Waves, As Well As Add Hot Compresses to Promote Blood Circulation, and Relieve Fatigue, So As to Meet Various Different Needs of the Crowd.Package List1 x Heated Waist Massage Belt 1 x USB Charging Cable 1 x English User Manual