Garmin Foot Pod SDM4 (New Smaller Version)

This tiny foot pod is small enough to attach to your shoelaces or fit in the mid-sole pocket of compatible shoes. It's always ready to use, and a small, replaceable watch battery powers the foot pod for a year of training.

Compatible With:

Forerunner 210
Forerunner 305
Forerunner 310XT
Forerunner 405
Forerunner 405CX
Forerunner 410
Forerunner 50
Forerunner 610
Forerunner 910XT
FR60
FR70
Garmin ANT+ Adapter for iPhone