Lsgoodcare Red 4GB USB 2.0 Flash Drive LCD Mini MP3 Music Player FM Radio Voice Recorder MP3 Player that supports: MP3, WAV, WMV, and WMA music formats USB 2.0 providing high speed transfer Power Supply: 1 x AAA battery(not included) Could be used as a flash drive, bring your life more convenient Package Content: 1 xMP3 Player 1 x Earphone 1 x User Manual 1 x 4GB TF Card