3 in 1 Bluetooth Sleep Headphone: This multifunctional headband can be used as sleep headphones, a sleep mask, and a sports headband. It allows you to listen to music without additional headphones while keeping hair and sweat under control during workouts. Fashionable, comfortable, and washable: Made from soft, breathable, and moisture-wicking fabric, this stretchy headband is designed for comfort and quick drying, making it ideal for jogging or exercise. The headband is machine washable—simply remove the control panel and speakers before cleaning. Advanced Bluetooth 5.0 technology: Built-in stereo speakers and microphone deliver high-quality digital sound with clear highs and deep bass. The low-power wireless design helps reduce external noise and supports a restful environment. Long playback time and convenient features: Equipped with an upgraded USB rechargeable battery, it provides over 10 hours of playtime after a 2–2.5 hour charge. A high-performance chipset ensures clear, uninterrupted o. The built-in microphone allows you to take calls hands-free. Satisfaction guaranteed: These Bluetooth sleep headphones create a personal o space, helping improve sleep quality and enhance your music listening experience.