MZ-Switch Heart Rate Monitor

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£159.99
£84.99
£84.99
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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.


What it does


  • Allows you to switch between wrist, arm and chest with ease.
  • Tracks your physical activity so you can earn MEPs in the gym, outdoors and when you swim.
  • Unlocks heart rate training for anyone not comfortable wearing a chest strap.
  • Instantly tells you which zone you’re in when worn on the wrist, thanks to the flashing indicator light.
  • Built-in memory so that you can work out phone-free.
  • Shows live workout stats that you can view via the app, on your smartwatch or on the screen in your gym.
  • Logs every workout online so you can engage your community and make every effort count.
  • Connects with your favourite cardio machines.
  • Let’s you see your heart rate on screen with MZ-Remote and MZ-Remote+
  • Sets monthly physical activity goals recommended by the World Health Organization that maintains positive lifestyle change for the long term.


  • Connects via Bluetooth (BLE with dual-channel capability) and ANT+.
  • 99.4% accuracy using the ECG sensor on the chest, equal to equipment used by health professionals.
  • 95% accuracy using the PPG sensor on the wrist and arm.
  • Waterproof to a depth of 10m.
  • Stores up to 36 hours of exercise data.
  • Battery life of three to six months between charges, depending on use (USB charging cable included).
  • Tracks physical activity in water when worn on the wrist.
  • App compatible with IOS 12.0 and above.
  • App compatible with Android 5.0 and above.


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