Rechargeable version： EMS Technology: through the current stimulation, it can directly send signals to muscles to promote muscle movement. All you have to do is put these cushions in your body and let them exercise your muscles. Ergonomic design: the muscle toner designed by ergonomics aims at abdominal muscle exercise. Help regulate, tighten and strengthen your body muscles. Strong AB band: there are 6 modes, 10 intensities are optional, which can help fat burning and muscle growth. Each EMS machine can be individually adjusted. The intensity varies from warm-up to high-intensity exercise, and finally relaxation. Peplace Gym: muscle toner is used for muscle / arm / leg muscle training. Fix the fitness equipment in the position you want, you can use the EMS muscle trainer anytime and anywhere. Easy to use: just press the button to start the exercise. About 25 minutes / time, 1-2 times a day. It's like 2000 meters, 60 minutes of sit ups, 60 minutes of free swimming, 2 weeks of diet. Advantages: convenient to carry, compact and comfortable to massage Packing list: 3 * host 1 x Abdominal Patch 2 x Arm Patch 1 *USB lines Battery-powered version： Product features: 1. Material: ABS 1. Product Name: Fitness Equipment 2. Power supply mode: battery 3. Control method: mechanical 4. Applicable parts: neck, waist, legs, back, feet 5. How to use Insert the battery; remove the transparent card, put the host on the patch, put the abdominal health instrument on the body, press the power button to light, press the mode selection mode, and gradually press the power button to increase the strength, press the power off button to reduce the strength, and more Press the shutdown button once to shut down. Six modes and eight intensity adjustments 6.Suitable for abdomen, back, arms, chest, hips, legs package: 1X Hip Sticker + Host + English Manual + 1X Abdominal Sticker + Host + 1X Arm Sticker + Host Note: Please prepare two AA batteries for each host.