This product comes with unique features that will redefine the way you appreciate the quality of music. It accepts all types of music files such as MP3 WMA OGG APE FLAC WAV AAC-LC and ACELP. It features a built-in 8GB memory which can be expandable to 128GB. With the File Browse system you can easily browse through your music from your device. The MP3 player also features a stopwatch timer function battery life of up to 30 hours displays date and time. It can be also used as an eBook reader. The sensible microphone records your surroundings in high quality.