Fangrui Product Details 1. Features: 2. **non-invasive Technology**: Our Glycemometer Uses Advanced Non-invasive Light Therapy To Lower Blood Sugar Levels Safely, Eliminating The Need For Painful Needles And Blood Samples, Making It For Elderly Users. 3. **easy To Use**: Simply Clean And Dry Your Nails, Turn On The Device, And Place Your Nails Under The Light For Just 10 Minutes A Day. It's User-friendly And Designed For Hassle-free Daily Use. 4. **quick Response**: The Device Reacts Swiftly To Help Maintain Blood Sugar Levels Within A Healthy Range, Providing Peace Of Mind For Users Managing Diabetes Or Prediabetes. 5. **rechargeable Convenience**: The Glycemometer Comes With A Charging Cable, Allowing For Easy Recharging. Enjoy The Freedom Of A Portable Device That Can Be Used Anywhere, Anytime. 6. **elderly Nail Care Focus**: Specifically Designed For Elderly Users, This Device Not Only Helps Manage Blood Sugar But Also Promotes Nail Health, Making It A Dual-purpose Tool For Better Overall Wellness. 7. Our Blood Glucose Monitors Contain Pp. It Can Safely Lower Blood Sugar Through Fingernail Irradiation Without The Need For Needles. Its Application Is Simple: Clean And Dry The Nails And Surrounding Skin. Turn On The Switch To Activate The Production. Place Your Nails Under The Light For About 10 Minutes Daily. Just Use The Cable To Charge. And Can React Quickly, Helping To Keep Blood Sugar In A Healthy Range.