Sigma Onyx Fit - Heart Rate Monitor

Monitor your fitness with ease with the Sigma Onyx Heart Rate High Monitor from HaB. This high quali

Monitor your fitness with ease with the Sigma Onyx Heart Rate High Monitor from HaB. This high quality monitor is ideal for the amateur fitness enthusiast and competitive sportspeople alike, using advanced heart rate monitoring technology in an easy-to use format.The Sigma Onyx Fit is equipped with a secure digitally coded chest belt which transmits your heart rate details directly to the wrist monitor, making analysis and evaluation of your progress instant and effective. The two are synchroni

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