Perfect sound bluetooth speaker that delivers powerful sound and deep and precise bass. The magnesium alloy double diaphragm surround sound experience is equipped with Alanyard for indoor beach and outdoor use: family, yoga, party, car, hiking, camping, biking. Up to 15 hours of playtime: Up to 15 hours of battery playtime, built-in smartphone sand iPhone hands-free calling, supports micro-USB charging, and offers multiple mode options including Bluetooth, TFCard, AUX-IN, Bluetooth 5.0 Quick Connect: Bluetooth 5.0 is compatible with EchoDot, Android, IOS, and Windows systems, and fully supports your phone, laptop, tablet, computer, and any other available Bluetooth device. Splash-proof and beautiful design allows you to enjoy music without worrying about damaging your device due to moisture and splash water. The connector is hidden in a rubber flap. The compact design makes it carry-on, ultra-light and easy to put into a backpack