The following people are prohibited from using this product: Pregnant women and breastfeeding women; Adolescents under the age of 18; People with pacemakers or other electronic implants; Cancer patients, epilepsy, severe heart, liver and kidney diseases; People with local open wounds, infections, and skin diseases; People with severe unstable blood pressure or blood sugar; People with severe varicose veins or heat insensitivity. 

80K ultrasonic frequency is higher than 40K, which means: The vibration frequency is faster, which can destroy the fat cell membrane more efficiently; It is suitable for fine shaping of smaller areas or more stubborn parts (such as double chins and arms); Lower noise and quieter use experience; Achieve results faster, but the operation intensity is also higher, so you need to pay attention to the time control.