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Garmin Forerunner 920XT
Garmin 920XT FENIX3 – Turn on HRV – Same for Forerunner 620, 735XT, 630, 930XT, 935, Fenix 5, 5x, 5s Fenix 3 – even Edge 820! 1030, 1010 1000 – the5krunner • tri bike run