compatible with all Bluetooth enabled devices.</br>Support connect with 2 Bluetooth devices same time.</br>Support English voice remind & battery power broadcast. Support battery power show in iPhone perfectly. Support Siri voice control.</br>Control panel & Headband detachable design, convenient to clean.</br>Made with polyester, cotton spandex material to help absorb sweat when sport.</br></br>Product Description</br></br>The XIT AUDIO AXTBTH99BK Bluetooth Sports Headband is compatible with all Bluetooth enabled devices. Support connect with 2 Bluetooth devices same time. Support English voice remind & battery power broadcast. Support battery power show in iPhone perfectly. Support Siri voice control. Control panel & Headband detachable design, convenient to clean. Made with polyester, cotton spandex material to help absorb sweat when sport.</br><br/>http://www.amazon.com/gp/product/B01DJB3ZYY