FINIS SwiMP3 2G with X18 Firmware Finis SwiMP3 X18 2GB MP3 Player Bone Conduction Audio Transmission, No Ear Buds or Headphones MP3 and WMA Compatible, iTunes Convertible 2GB of Storage: Stores Approximately 500 Songs, 30 Hours of Music Hydrodynamic Clips: Attaches Securely to Goggle Straps and Rest on Cheekbones