Description Specification: White, Green Features 1. Easy to fall asleep: Handheld Smart Sleep Aid uses technology to help you fall asleep more easily, while relieving anxiety and stress, allowing you to enjoy a more comfortable sleeping experience. 2. Direct operation: The handheld sleep instrument can be used anytime, anywhere, without connecting to a computer or smartphone, and can be operated directly, which is convenient and fast. 3. Multifunctional use: The handheld sleep instrument can not only adjust the sleep mode, but also has a relaxing massage function, while also helping to improve work efficiency and learning memory. 4. Lightweight and easy to carry: The Handheld Smart Sleep Aid is small in size, light and easy to carry. It can be put in a handbag or pocket at any time, and you can get a good sleep when you go out. 5. Safe and healthy: The product uses environmentally friendly materials and will not have any harmful effects on the human body. At the same time, it has passed FCC and CE certification to ensure safe and reliable use. Comments: 1. The manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to the differences between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. SKU color is the color of the product packaging Package includes: 1 * Hand-held sleeper