1. 【Multifunctional Practical Use】: The LED sports headband is lightweight and vertical for camping, hiking, mountaineering, gym, basketball, football, tennis, training, running, walking, yoga, cycling, badminton, baseball, table tennis, and other physical exercise activities to maintain health and fitness for every user. 2. 【Visibility and Safety】: There are two modes for our LED illuminated hat. White light illumination mode ensures you can see clearly. There are three modes you can choose from. 3. 【Detachable Design】: We have a detachable design. You can easily remove the power. Convenient for washing the knitted headband and charging. Very user-friendly design. 4. 【Size and Material】: Ingredients, cotton, spandex, nylon. They fit both men and women. One size fits all. 5. 【Multiple Uses】: Very practical knitted sports headband. The thick material has a certain warming effect. Unique lighting design, very suitable for night running, night fishing, outdoor camping, hiking, repair, and so on.