"Notes: 1)Please don't apply the massage pad when the device is on， otherwise you will get a strong shock. 2) If the massage pad fails to stick to your skin firmly， you can buy some medical tapes to fix it. Muscle Pulse Slimming Pain Relief Massager with 4 Massage PadsFeature:2. Automatic timer in 15 minutes and automatic power-saving features.10 kinds of products massage intensity and 8 massage modes.Plug the electrode cable into the jack socket， treated with the electrode sheet.Alternation of different waveforms to generate a truly slap feeling， soft pulse can improve blood circulation， smooth the meridians， relieve fatigue of special effects. 2.Beat treatment function. This feature can alleviate muscle pain， relieve muscle tension， aches， fatigue， improve blood circulation， especially for the neck， back， waist and joints. A significant therapeutic effect to all pains mentioned above. 3.Automatic treatment function. This feature is the combination of various pulse wave ， it features a comprehensive variety of waveforms and tailored. And (vibration) treatment function (beat) treatment function (massage) treatment function， automatically Alter to various functions . The main function of a treatment is set for the time constraints persons who suffer a variety of therapeutic pains.3. Specification: Battery required:2x AAA battery(not included) Size:98x 78x 24mm Color:Blue Mode:8 types Package includes: 1 x Slimming Massager 1 x Connecting Cable 4 x Massage Pad