Through bone conduction transmission technology, swimmers can hear the coach's instructions clearly in a noisy circumstance real time, even for athletes with acquired loss or for blind swimmers by using SwimTalker. The comfortable, waterproof receiver easily fits under any swim cap or goggle strap and stays in place. Each swimmer equipped with a headset reveiver can receive individual communications from the coach or can be addressed simultaneously as a team. 

• Instant Feedback on swimming splits,stroke rate, and technique
  12 channels for up to 12 groups.
• Connect to MP3 player for a fun workout for the whole team.
• Easy to use - turn on, pair channels and go.
• 10 meter waterproof
• CE certified