Add a beat to your step. Get the training and recovery insights you need to run at a higher level — plus music to motivate you along the way.
The "S" model has a smaller size (41 x 41 x 12.4 (mm)), see related items for non S model.
WARNING: Products may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. www.P65Warnings.ca.gov
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