Offering personalized activity and exercise guidance, the waterproof Polar A370 now integrates continuous heart rate and fitness tracking with our all-new Sleep Plus analysis and phone-assisted GPS. It’s your all day companion, now even more versatile. Getting started with the Polar A370: https://www.polar.com/us-en/products/sport/A370-fitness-tracker Register for Polar Flow coaching service here: http://flow.polar.com/ Have more questions about the Polar A370? Visit http://support.polar.com/en/support/a370 FOLLOW Polar at http://instagram.com/polarglobal LIKE Polar at http://facebook.com/polarglobal FOLLOW Polar at http://twitter.com/polarglobal SUBMIT your story at http://polar.com/discoveryourfirsts