Kommentoi arvostelua

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

• Internal memory
• Waterproof up to 30 m
• Up to 400 hours of battery life