3 in 1 DesignTechnology changes life,for relaxing our mind and body during the chaotic daily work and life,LC-dolida came out the idea of manufacturing a new kind of 3 in one Wireless Headband Headphones: Sleep Headphones & Bluetooth Sleep Mask & Bluetooth Headband. With Latest Bluetooth Technology,built in bluetooth and speakers,the sleep headband earphones allows you to listen music freely,answer the call handsfreely and protect you from being disturbed by your mess hair and sweat Carefully Selecting fabricsFor ultimate comfort and function of the bluetooth headband,we carefully choosed the most suitable high quality textile materials:super soft cotton blended soft fabrics.The sport headband headphones will make you feel comfortable after sweating exercise.The headband headphones is the perfect cozy Sleeping Headphones for side sleepers, chose our sleeping bluetooth headphones, fall asleep fast,have a sweet dream 1-1.5 Hours Quick Charging, 10 Hours Continuous Playing Buil