Note: 1. It is recommended not to use this product for people with medical conditions. 2. To avoid sudden stimulation, you may start with a warm-up mode at a gentle intensity level, and then select a proper mode at a comfy. 3. The battery is not includes. Many modes can be useful for exercising the whole body with just one key operation. Features: There are 6 modes and 9 intensities, can meet your multiple needs. Help burn fat and grow muscle. Can used for arm, leg, hip, waist muscle training. Small and lightweight, and lasts for power saving. Easy to use, one button control. Portable and home exercise equipment, you can exercise your abdominal muscles anywhere. Put on an abs stimulator, 20 minutes per time, 2-3 times per day, you can gain a better figure after consecutive use of this product for about 2-3 months. Can help to tone, tighten and strengthen your body muscles. Specifications: Material: PU leather, Resin, ABS plastic Size(LxW): Abdominal gel pad: 20 x 17.5cm Arm stickers: 22 x 8cm Main machine: 5.5 x 5.5cm Battery: 2 x AAA batteries for one main machine (Battery is not includes.) Package contents: 3 x Main Machine 1 x Abdominal Gel Pad 2 x Arm Stickers 1 x Charging Cable