4GB USB Clip Style MP3 Player (Green) 4 GB USB Clip Style MP3 Player General Features: Color: Green 4 GB storage capacity MP3 Player Supports WMA playback USB mass storage device USB interface Ultra-portable Clip-on style Earbud in jack On/Off switch Buttons: Play/Pause Volume Up Volume Down Previous Track Next Track Dimensions: 1.1 x 1.6 x 0.5-inches (H x W x D, approximate) Regulatory Approvals: FCC CE