Specifications: ● Item Type: Blood Sugar Relief Device ● Content: 1pc ● Shelf life: 3 Years ● Storage method: Store in a cool dry place Features: 1. Our body care device, daily body care for middle-aged and elderly people. Helps maintain blood sugar within a healthy range, finger nailradiation, safely reduce blood sugar. Helps strengthen blood flow, promote circulation, and make the body healthier. Plastic shell, lightweight and sturdy, protects the delicate parts inside, and a painless blood sugar management experience. 2. No complicated operation required, very easy to use. Portable design, control blood sugar anytime and anywhere, relieve and reduce blood levels. Improve blood sugar balance and improve the quality of life. Helps improve physiological functions and promote health. Reduce body swelling and make activities more comfortable and pleasant. 3 Helps to enhance physical fitness, effectively relieve muscle fatigue, increase the energy transmission of the body, and improve physical strength, endurance and attention. It can strengthen your immune system keep your overall physical health.     How to use: 1. Clean and dry nails and surrounding skin. 2. Turn on the switch to activate the product. 3. Place your nails under light for about 10 minutes and use daily. 4. Just charge with the data cable.