2 in 1 Sleep & Sports Headband - The Bluetooth Headband enables you to enjoy music without wearing extra headphones, while keeping your hair and sweat from tidy. It further features a built-in microphone to prevent missed calls. The headband is suitable for outdoor activities such as gym workouts, jogging, yoga, and other outdoor activities. Additionally, it can assist with relaxation, meditation, travel, and more. | Bluetooth Music Headband - MUSICOZY Sleep Headphones offer Bluetooth 5.4 and immersive stereo sound. With advanced Bluetooth 5.4 technology, the Bluetooth Headband is more compatible with electronic devices. Alongside 40mm composite drivers, these wireless music headband headphones deliver pure and balanced audio output with loud sound, rich bass, clear midrange, and balanced treble. This results in extraordinary clarity and detail for all music genres. | Extended Playtime Wireless Headband - MUSICOZY Sleep Headphones boast a powerful rechargeable lithium battery, offering up to 14 hours of continuous playtime on a single 1-2 hour charge. Enjoy uninterrupted listening pleasure throughout your day, without missing a beat. Thanks to its advanced battery technology, our product provides a longer lifespan, lasting up to 2-3 years. This guarantees extended enjoyment of your music, even after continuous use. | Comfy Headband Material - MUSICOZY Bluetooth Headband Headphones are constructed using highly elastic and breathable materials, including durable braided cord, high elastic lining, and a sweat-absorbent design. These features result in a comfortable, breathable headphone that is incredibly stretchy, meaning that it can fit most users with ease. The soft and hypoallergenic nature of the sleep headphones keeps you comfortable all day long. | All Satisfaction- We take pride in ensuring that our customers are fully satisfied with our product. If you encounter any issues while using our Bluetooth headband, please do not hesitate to contact our after-sales team via email. We will make every effort to provide a satisfactory solution within 6 hours. Additionally, our product comes with a one-year manufacturer's warranty, and you can receive a refund with no questions asked within30 days of purchase if you don't like it.