Description
FINIS Duo Bone Conducting Underwater Mp3 Player MMarlins Training hip blades create resistance 007767 100 22 Training hip blades create resistance during rotation gluten or addedsodium chloride (salt) Rechargeable lithium ion battery with up to 7 hours of battery life (If immersion at 3 meters or deeper occurs for longer than 30 minutes Bone conduction audio transmission creates amazingly clear sound in the water without the use of earbuds