Easy to use and carry - you can adjust the intensity as needed, wearing it for only 10 minutes while reading, sleeping, watching TV, or doing housework. It is compact and lightweight, suitable for use in offices, homes, and travel, making it easy to use anytime, anywhere. Intelligent and widely applicable - ergonomically designed to perfectly fit the neck contour, suitable for all necks, with adjustable headband length. This instrument alternately uses three different intensities of light to make the skin glow and effectively lift the neck. Use - lift the neck. It will take 4-5 weeks to see significant results. Attention: When the product is not working, it needs to be charged.