This belly massager is USB rechargeable and will never run out of power. Designed to tone your abdominal muscles, this electronic device provides an effective workout right at the comfort of your own home. It helps you achieve your fitness goals by strengthening your abdominal muscles. Experience the latest in fitness technology with this electronic toning belt. It provides a targeted workout for your abdominal muscles. Whether you're at the gym or at home, this workout fitness device is your secret weapon for a strong and toned abdominal area.