Description Color: black, blue, orange Input voltage: 5.1V Input current: 15MA Charging current: 80-100MA Features: 1. Deeply stimulate abdominal muscles, help tighten waist and abdomen, and enhance core strength. 2. Portable belt design, fits the human body curve, and can easily shape the body at home and work. 3. Multi-level intensity adjustment, suitable for the needs of different groups of people, from relaxing massage to high-intensity training, one machine can do it. 4. Safe and low power consumption, rechargeable design, long-lasting battery life, more worry-free to use. 5. Suitable for a variety of scenarios, ideal for fitness assistance, postpartum recovery, and daily relaxation for sedentary people. Comments: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. The SKU color is the color of the product packaging. Package includes: 1 set of massage belt