Features: Latest BT V5.0: With the BT V5.0, this musical headband will simply sync to cell phones, tablets and other BT enabled devices in seconds. Sports Headband and Sleep Headphones: Sports headband allows you to listen to music without having to wear additional headphones when you are running, yoga, playing games, workout and so on. Long-Lasting Enjoyment of Music: The USB rechargeable battery can provide about 8 hours talking time, and 8 hours music playing time at the maximum sound, brings you lasting music enjoyment. Detachable and Washable: There is a small opening next to each of the two speakers and the bt module, it is easy to remove out the speakers bt module and wash it for the next time\'s using. Comfortable Sleeping Headband: The sport headband is made of soft material, and has elasticity, fits to most people and it won\'t slip off when you exercise, is also a good gift for your family, friends and lover.