Bluetooth Noise Canceling Ultra Thin Headband Sleep Headphones3-in-1 sleep headphones and sports headband: The sports band is designed with a built-in wireless speaker, allowing you to listen to music without wearing extra headphones and protect yourself messy hair and sweat. Sleep masks help reduce outside noise and allow you to fall asleep.Wireless Technology V5.0 - Faster and easier wireless headband compatible with Bluetooth smartphone or tablet, with a wireless range of 18 meters. These headphones have magnets and built-in stereo speaker microphones for 12.5mm to provide high quality sound while you sleep, run or practice yoga.Very suitable for sleep and exercise: they can block out ambient noise without the need to use earplugs which will hurt and fall off; the device module is in the middle of the speaker and will not be squeezed on the ear, which is very comfortable for people sleeping on their side; The ultra-thin earplugs are comfortable enough to be used while wearing it while lying down or sleeping. Also suitable for outdoor activities such as gym, training, running, yoga, etc.Fashionable, comfortable and washable, comfortable and soft fabric with breathable mesh lining, specially designed for exercise and sleep; flexibility and freedom to fit all head sizes and stay in place when you sleep or run. The headband can be cleaned thoroughly by removing the Bluetooth module.Ideal gift: a warm gift for friends and family; surprise them with these super comfortable, breathable and lightweight headbands. Very suitable for children, students, dorms, shared apartments, classmates loud, snoring spouses and colleagues.