Product features and features <br />1 support for Bluetooth wireless transmission<br />2 built-in microphone・ so you enjoy the hands-free call<br />3 using high-quality audio decoder chip・ allowing you to experience the perfect sound quality<br />4 unique waterproof design・ you can in the bathroom・ beach・ swimming pool・ in the leisure at the same time・ enjoy the wonderful wonderful sound<br /><br />Features <br />1: Connect the phone to the Bluetooth function to listen to music.<br />2: connect the phone to call・ Bluetooth speaker built-in send function.<br />3: FM radio function・ Bluetooth speakers plug in the charging line・ you can receive a variety of channels.<br />4: card player・ you can listen to music to relax・ you can download some English learning knowledge.<br />5: you can connect the computer to listen to songs・ charger with a computer connected to the 3.5 + USB charging・ while listening to music・ while charging!<br /><br />Bluetooth version: 3.0<br />Transmission frequency: 2.4GHZ ~ 2.4835GHZ<br />Remote distance: 10 meters