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 size: minimum length 62cm (24.4") to maximum length 88.39cm (34.8") chest. Please note: The max sizes below are relaxed measurements. There is approximately 30cm additional length when the strap is fully stretched.
What it does:
Whats in the box: MZ-Switch module , Adjustable chest, wrist and arm straps & USB charger.