Do you like music or do you want to buy a portable Mp3 player to enrich your life? If so， you are in the right place. We will introduce this portable headset MP3 Player to you. It features the 4GB built-in memory which allows you to have enough space to store music you like. It is perfect for the people who like sports and music. You can enjoy the sport and music at the same time. Even it has the important function of waterproofing. You cannot miss!                                    Features            New and high qualityDesigned fashionable and cleverish appearance， fine workmanshipHigh speed and ultra fastPlug and play directlySeparated earphone jack and power jack makes a convenient operation and faster transfer rate                                                            Specifications            Waterproof    3m waterproof    <br>Audio Format    MP3， WMA， VBR， AAC    <br>Memory Capacity    4GB    <br>System Support    Windows ME， 2000， XP， Vista    <br>PC Interface    USB 2.0    <br>Power    Built-in 3.7V Lithium rechargeable battery    <br>Playback Time    Up to 12 hours    <br>Frequency Range    87.5-108.5MHz    <br>Dimensions    4.92" x 5.12" x 0.87" / 12.5 x 13 x 2.2 cm (L x W x H)    <br>Weight    3.99 oz / 113 g    <br>Color    Red    <br>                                                            Package Includes            1 x Sport MP31 x Female USB to Male USB Cable (75.5 cm)1 x Strap2 x Earplug1 x User Manual