The Finis Duo MP3 player allows swimmers to enjoy their favourite music underwater. It is waterproof and offers excellent sound quality. It utilizes Bone Conduction audio transmission. It is easy to use and doesn't require ear buds. The sound passes through the cheekbones to the inner ear. This MP3 player  is comfortable and it attaches to the goggles' strap with an integrated clip.

Characteristics

• Battery life: 7 hours
• Flash memory: 4GB