Exercise safely and efficiently with the Suunto M4 Heart Rate Monitor. After a quick series of questions, the M4 sets up a workout routine and monitors your progress for future adjustments, providing a safe and effective path to achieving fitness goals.

Product Features

• Housing Material: plastic
• Altimeter:
• Altimeter Max Height:
• Route Elevation Profile:
• Barometer:
• Heart Rate Monitor: yes
• Target Heart Rate Zone:
• Training Program:
• Fitness Test:
• Chronograph:
• Odometer:
• Thermometer:
• Digital Compass:
• Declination Type:
• Adjustable Declination:
• Low Battery Indicator: yes
• Computer Compatible: yes
• Water-Resistant: (device), 100 ft, (belt), 66 ft
• Backlight: yes
• Alarms:
• Alarm Type:
• Battery Type: (device) 3V, (belt) CR2032 (lithium) button cell
• Battery Life: 130 hours
• Face Size: medium
• Strap Material: rubber
• Date Indicator:
• Weekday Indicator:
• Weight: (device) 1.4 oz, (belt) 1.5 oz
• Recommended Use: training
• Manufacturer Warranty:

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