Package contents: 1 * Bluetooth headband 1. **[Latest Bluetooth]** This music headband features Bluetooth functionality, allowing for easy and quick synchronization with smartphones, tablets, and other Bluetooth devices. 2. **[Sports Headband and Sleep Headphones]** With this sports headband, you can enjoy music without extra headphones when running, doing yoga, playing, exercising, or performing other activities. Built-in speakers and a microphone ensure you don't miss any calls, and the knitted material prevents hair and sweat from interfering, making it incredibly comfortable even when sleeping. 3. **[Long-lasting Music Enjoyment]** The 200mAh USB battery provides up to 2 hours of charging time, up to 48 hours of standby time, and 8 hours of continuous music playback at maximum volume, ensuring an uninterrupted music experience. 4. **[Removable and Washable]** Small openings are located next to both the speakers and the Bluetooth module. You can easily remove the speakers and Bluetooth module for cleaning, ready for the next use. 5. **[Comfortable Sleep Headband]** This sports headband is made of soft, elastic material. The standard circumference of the headband fits most people and will not slip off during exercise. It is also an excellent gift for family, friends, and loved ones.