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Polar's most accurate heart rate measurement ever, with updated measurement technology and algorithm. Built-in memory allows the Beat app user to save workout data even for activities where a wrist device cannot be used (e.g., swimming). Redesigned strap with silicone dots prevents the strap from slipping and moving out of place.

• Sisäinen muisti
• Vesitiivis 30 m asti
• Jopa 400 h pariston kesto