Finis Tempo Trainer Pro Underwater Metronome
- The small, waterproof device easily secures beneath a swim cap and transmits an audible tempo beep.
- Adjustable tempo offers the ability to identify and maintain an ideal pace.
- Now with the option to replace the battery, the Tempo Trainer Pro will last multiple lifetimes.
- Three different training modes offer ultimate customization.
- The Tempo Trainer Pro includes a clip for dryland exercise.