This Electric Muscle Stimulator Exerciser Machine can help to tone, tighten and strengthen your body, you can gain a better figure after consecutive use of this product for about 2 months.Power by: AAA battery(not include)1. Companies, tones, strengthens and tightens muscles2. Electromagnetic pulses help sharpen and define your nucleus by strengthening muscle contractions3. Easy operation with push button with 6 modes.4. Electric Muscle Stimulation Technology (EMS)5. 1 day 1 time, every 30 minutes of training, exercise and tight muscles.6. Using the original training pulse with the frequency of the specific current7. Design the effective exercise muscle training method