MP3 Music Player 128M Song Card Portable Mini Music Player with Metal Shell for Students Sports Running Blue Item Type: MP3 Music Player Material: Metal Shell 1. Innovative Lavalier Design, Ultra Small Size, Can Be Clamped At Will, Simple, Exquisite, Fashion 2. Support A Variety Of MP3 Music Format Digital Music Playback 3. Can Be Used As A Mobile Flash Drive To Store MP3 Songs Or Data Anywhere, Anytime 4. Can Be Used As A Small Memory Card Reader 5. Both Have MP3 And Mobile Storage Disk Function 7. Without External Power Supply 8. Storage Media. No Mechanical Parts, Anti Vibration, Anti Electromagnetic Interference 9. Built In Rechargeable Lithium Battery, Ultra Long Standby Time 10. Fashionable And Compact Shape Design, Beautiful And Exquisite Workmanship, A Good Gift