Exercise tracker and heart rate monitor with built-in memory and unrivaled versatility. Belt up, collect MEPs and go for your goals. The MZ-3 connects easily to your phone, favorite cardio machines and screens in the gym so you can workout your way. Go phone-free with built-in memory and make every workout count. Join millions of Myzone users and find your squad. Fun, fair fitness.

Size Guide
Standard: Fits 24.4" to 34.8" chest
Small: Fits 21.25" to 27.5" chest
Large: Fits 27.6" to 40.6" chest

• Connects via Bluetooth 4.0, ANT+ and Analog.
• 99.4% accuracy - equal to an EKG machine, used by health professionals.
• Stores up to 16 hours of exercise so you can workout phone-free.
• Water resistant.
• Battery life: up to 300 hours between charges (USB charging cable included).
• Hand-washable strap.
• Compatible iPhones - 5 and above.
• Compatible Android Devices - Android 6.0 and above.