Amazon offers Prime members the Moov Now 3D Fitness Tracker & Real Time Audio Coach in Stealth Black, model no. M1508, for $34.95 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.25.) That's the lowest total price we could find by $6. It features audio coaching for running, cycling, cardio boxing, and body weight, as well as swim tracking.