Expandable memory: Holds up to 1500 songs with 8GB of built-in flash memory?? and the memory card slot supports 64GB Micro SD Card.</br>Long-life Battery: Built-in Lithium battery?? rechargeable?? only fully charge one time (charge for 2-3 hours)?? last for playing 70 hours of music.</br>Friendly design: This MP3 player support background audio?? it allows you to read EBook and listen to music at the same time.</br>Easily control: Easy to shuffle your favorite songs. And easy to find your favorite songs with the playlist?? let you enjoy music free.</br>Support widely: Big and clear lossless sound?? support audio formats: MP3?? WMA?? FLAC?? WAV?? APE?? AAC?? OGG?? AAC-LC?? ACELP?? Support video formats: amv?? avi.</br></br>Product Description</br></br><b>Features:</b><br> 1. Up to 70 hours of music playback?? only need to charge it for 2-3 hours. <br> 2.It's perfect tone in high reliability with refined exterior design brings you an ultra performance.<br> 3. It is headache if you can't save the progress of playback. Bu"ll take away your scruple. Continue to enjoy the latest play song. <br> 4. Thanks to the expandable memory card slot?? you don't have to rely on your computer or the Internet to listen music?? only simply insert a preloaded microSD card. <br> 5. With FM tuner?? you can listen to sports?? talk radio?? or your favorit