1. This sleep aid utilizes EMS current to assist you in falling asleep quickly, reducing stress, and enhancing sleep quality. 2. A purely physical method to improve sleep quality, with no chemicals added, ensuring no side effects, dependency, or harm to the body. 3. Two modes (sleep mode/excitement mode) with an adjustable intensity of 15 levels to cater to various individual needs. 4. Ideal for individuals who experience stress, anxiety, or depression, struggle with falling asleep, or wake up during the night. Color: Green Material: ABS Package Contents: 1 x Sleeper 1 x USB charging cable 1 x English instruction manual Only the above package contents are included, other products are not part of the package. Note: Light reflection and differing displays may cause slight color variations between the item in the picture and the actual product. The allowable measurement error is +/- 1-3cm.