Description<br /><br />    USB rechargeable battery， it can work for max 6 hours when fully charged.<br />    Connection Type: USB 2.0<br />    FM Radio function<br />    Waterproof Standard: IPX8<br />    Music Format: MP3， WMA<br />    Bit rate: 32-320Kbps<br />    Temperature Rating: 0 - 50 degree<br />    Button Controls: Forward， Back， Play/Pause<br />    Color: Red， White， blue<br />    Storage capacity for choice:4GB and 8GB<br />Features<br />Specification<br /> Package includes:<br /><br />    1* Swimming MP3 Player<br />    2* Earcaps<br />    1* User manual