1. This is a head-mounted wearable sleep device with distinctive features, specifically designed to improve sleep. 2. It adopts an advanced design concept and is a portable smart sleep aid device, allowing you to use it conveniently in any scenario. Whether you are at home, taking a lunch break in the office, or on a journey, you can enjoy its sleep - aiding effects anytime and anywhere. 3. This sleep device uses a rechargeable power - supply mode with a built - in battery, getting rid of the constraint of traditional power cords and making it more free and convenient to use. Its battery can last for 3 - 6 hours, which can meet your sleep needs for one night. Moreover, the capacity of its built - in battery is 50mAh or less, being small and lightweight without causing you too much burden. 4. In terms of functions, it is equipped with a wireless remote - control function. You can easily adjust various parameters with just a light press, without any cumbersome operations. It also has a timing function. You can set the usage time according to your own needs, and the sleep device will automatically stop working after reaching the set time, providing you with a considerate usage experience. 5. The display mode is LED liquid - crystal display, which is clear and intuitive, enabling you to clearly understand various parameters and statuses at a glance. It can simulate white noise to help you block out external interference, create a quiet and comfortable sleep environment, allow you to fall asleep faster, and enjoy a better sleep. Choosing this sleep device means choosing a quiet and comfortable sleep experience.