The world's first interchangeable exercise tracker for the gym, outdoors or in water. Monitor your heart rate on your chest, arm or wrist. Three times the motivation and three times the fun, with a light indicator and built-in memory so you can see your zone without a phone, and up to six months battery life on one charge.
Standard: Fits 24.4" to 34.6" chest
To charge, please ONLY use USA to laptop or desktop. Do not charge directly with charger, as device will spoil.
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