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 to choose from. 3. 【Detachable Design】: We have a detachable design. You can easily remove the power. Convenient for washing and charging the knitted headband. Very user-friendly design. 4. 【Size and Material】: Ingredients, cotton, spandex, nylon. They are suitable for 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 light design, very suitable for night running, night fishing, outdoor camping, hiking, repair, and so on.