- Real Time Audible Heart Rate is announced into your ear as you move; no need to pause and look at a watch.
- Bone Conduction Audio Announcement verbally conveys your heart rate through your bones into your inner ear; so no ear buds needed.
- Fully waterproof.
- made for swimmers by swimmers;
- Infrared Sensor Technology picks up heart rate through your earlobe.
- Easy Attachment, no chest strap or watches needed; just slip inside your goggle strap