Used only for 1-2 minutes after opening the package. I'm selling it because it doesn't seem like I'll be able to continue using it. 【Multi-functional Beauty Device - Equipped with Innovative Technology】This product is a multi-functional RF beauty device. It is equipped with innovative technologies such as low, medium, and high frequency, RF function, and EMS microcurrent, and combines scarlet/red/orange/blue LEDs to provide eye care, penetration/introduction, RF, sagging, and cooling functions. With a little effort every day at home, you can achieve the perfect skin you've always dreamed of with just one device! You can achieve an esthetician-like experience at home! 【Five Modes & 3-Level Adjustment】Five modes to solve all your facial problems! Mode 1 is Eye Care Mode (EMS microcurrent), scarlet LED + heat + EMS. Mode 2 is Introduction Mode (Penetration), scarlet LED + heat + ion introduction. Mode 3 is RF Mode (Wrinkle Improvement), red LED + heat + EMS + RF. Mode 4 is Sagging Mode, orange LED + heat + RF. Mode 5 is Cool Mode, blue LED + cooling. Each mode has 3 levels of adjustment, catering to people with various skin types and meeting different skincare needs. It is recommended that first-time users start with level 1. 【Type-C Charging & Convenient to Carry】This product adopts the latest Type-C fast charging, and you can use the included Type-C charging cable to charge it quickly anytime, anywhere. It uses a 2000mAh large-capacity battery and can be used for 6 hours on a full charge. In addition, it weighs only 175g and is very compact, making it very convenient to carry in your bag. Even when traveling or on business trips, you can enjoy professional skincare anytime, anywhere. 【Perfect as a Gift & 1-Year Quality Guarantee】The color and material are full of luxury, making it perfect as a gift for your loved ones. Your family and friends will surely be delighted. We promise thorough inspections and quality assurance. We offer a 1-year manufacturer's warranty after purchase, so if you have any questions during use, please feel free to contact our customer support. 【RF High Frequency - For Skin with Refined Texture】When radio waves are applied to the skin, heat called Joule heat is generated, and the heat is transmitted to the deep stratum corneum of the skin, creating an environment suitable for treatment. By promoting the skin's natural regeneration with the power of heat that gently warms from the inside of the skin with RF high frequency of 2MHz or more, it addresses fine lines, wrinkles, and sagging on the face, neck, and hands.