Product function: Painless oral ulcer treatment. It can help you easily deal with cold sores/fever blisters around your mouth and lips. Natural pain relief and reduced healing time.Three-in-one multi-function: The red light therapy device provides three power modes and timing functions. There are three modes to choose from: Normal (P1), Pulse (P2) and High (P3).In different modes, short press the M/T key to change the treatment time to 30s/60s/90s to meet your needs.Portable Design: Rechargeable, portable, detachable, stylish appearance. For long-term daily use, it is equipped with a storage bag and a USB data cable to carry it with you.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications.We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it!