Feature:1. Light Blocking: Adjustable sleeping headphone can be used as an eye cover when sleeping as the light blocking design is very useful and ensure good sleeping quantity.2. Comfortable To Use: Bluetooth headband allows you to listen to music without using additional headphones and protects you from the discomfort of hair and sweat.3. Suitable For Running: Soft sleep headband is suitable for activities such as gym, training, running, yoga, sports and for napping indoors or in the office.4. Purple: Headband with USB cable adopts purple color, which is very good looking in terms of appearance, it is both aesthetically pleasing and practical.5. Cloth: Bluetooth sports headband is constructed with cloth fabric, which is very soft and light, stretches easily and fits most people's head sizes comfortably.Specification:Item Type: Wireless Sleep HeadbandMaterial: ClothBattery Type: Lithium ionBattery Capacity: 180mAh (built in).Package List:1 x Wireless Sleep Headband1 x English Manual1 x USB Charging Cable