Feature:1. It is an ideal product suitable for who have stiff shoulder, end neural paralysis,neuralgia, shank ache, whole body fatigue, stomachache, bad cold, cervical vertebraneck ache, per arthritis, toothache, high blood pressure, low blood pressure, energyfailure, week sexual ability, irregular menstruation, various acute chronic diseases.2. Improves your body circulation, relieves your pain and promotes your metabolism.3. Comes with two massager pads.4. Power Supply: 3 x 4.5V AAA batteries(Batteries Not Included) or Power Adapter5. Power Adapter: input AC 100-240V6. Size: 15.5*7*2.8cm7. Color: grey8. Weight: 310g Package Contents:1x main device2x Electrode adhering tips and pads1x USB charging cable1x user manual (English)(no retail box)