🛒Multifunctional 3-in-1: Comfortable sleep earphones & sports headband & sleep mask.💖Ergonomics design: 2 mini flat speakers embedded in the elastic headband can perfectly cover your ears, but will not press your ears. There are no restrictions on listening to music while sleeping. 🔋Long working hours: The built-in 180mAh high-performance battery can be charged via a Micro-USB cable. It only takes about 2 hours to charge and provides more than 10 hours of playing time. 🎶High-quality sound: Real high-definition high-fidelity sound, using advanced Bluetooth 5.0 technology and advanced chip technology, can produce excellent sound quality. ☁Comfortable and light: Made of high-quality fabrics, comfortable, soft and breathable elastic headband. Easy to stretch. Suitable for most people's head circumference. 🎹Easy to use: Built-in speakerphone microphone, you can make calls without a mobile phone. Convenient buttons, easy control of volume, previous/next song, pause and playback functions. ⚡Note: 1. It is recommended to use hand washing when cleaning, simply wipe and dry, do not pull the charging port forcefully. 2. The size of the headband of this wireless bluetooth headset is one size, which is suitable for most head circumferences. If there is any problem with the size, please contact us. 🎁Packaging: 1*Bluetooth headband 1*User Manual 1*USB data cable