TrekStor i.Beat Jess 256 MB MP3 Player with OLED Display (Silver) Pendant-style MP3 player with 256 MB flash memory and 2 headphone jacks Supports MP3, WMA, and WAV audio formats; built-in digital voice recorder Playback options include repeat play (1 or all tracks), shuffle, and resume 6 predefined equalizer settings; automatic shutoff function; USB 2.0 interface Runs on 1 AAA battery; measures 2.8 x 1.4 x 0.9 inches (W x H x D); 1-year warranty