Micro Electric Current: This gua sha board uses micro current to deeply act on the bottom layer of the skin, automatically find acupoints and sense them through NMES, providing you a new experience of scrapping. Functions: It can make your skin more smooth and moisturizing and increase vascular circulation under the eyes, relaxing the body and mind. 3 Modes: 3 vibration speeds for you to choose, applicable to your neck, arms, back, waist, thighs, hip and feet. Heating massage is as comfortable as a hot towel. Ergonomic Shape: Designed by curves of human body, tightly fitting to the curve of the face and neck, comfortable to use. USB Charging: built in lithium battery, fast charging, long lasting battery, 30 minutes a day, all day relaxation, also can be charged by a power bank. Compact and mini, it can be easily put in your bag and carry out. Specification: Material: ABS, Zinc Alloy Gear: 3 Gear Battery Capacity: 1100mAh Battery Life: 10 days (30 minutes every day) Port: Type C Input: 5V 1A Size Chart: 146x105x30mm/5.75x4.13x1.18inch Package Includes: 1 Piece Electric Guasha Scraper 1 Piece USB Cable Note: 1. This product cannot be near strong magnetism. 2. During use, please do not use it on the same part for a long time. 3. After use, please clean the cutter head with a dust free cloth. 4. Please place the product in a place that children cannot touch. To avoid falling and bumping children.