Garmin HRM4-Run wrist-based heart rate sensor

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Garmin HRM4-Run wrist-based heart rate sensor - the best gear for active people

Exceptional functionality for demanding users.

Cadence meter: accurately counts steps per minute, helping you optimize your training.
Vertical oscillation: monitors bounce height while running, providing valuable information about running technique.
Ground contact time: tracks how long your foot stays in contact with the ground, helping you improve running efficiency.
Ground contact time balance: analyzes differences in contact time between the left and right leg, helping to identify biomechanical imbalances.
Stride length: measures the distance between successive ground contacts, a key parameter for improving running technique.
Vertical ratio: shows the ratio of vertical oscillation to stride length, helping you better understand running dynamics.

Practical design for comfort and convenience.

The HRM4-Run heart rate sensor is essential equipment for running enthusiasts using advanced Garmin Forerunner® watches. The small, lightweight module works perfectly with the adjustable wrist strap, providing comfort and measurement accuracy.

Product specifications:

Heart rate sensor dimensions: 60 - 142 cm × 30 mm × 12 mm.
Module dimensions: 51.4 mm × 29.4 mm × 8.5 mm.
Chest circumference: from 60 cm to 142 cm.
Heart rate sensor weight: 59 g.
Module weight: 49 g.
Battery: replaceable (CR2032).
Battery life: approx. 1 year.
Water resistance: up to 50 m.
Operating temperature: from -10°C to +50°C.
ANT+ technology for seamless wireless communication.
Support for advanced heart-rate-based features.
Running dynamics.

Package includes:

1 x Garmin HRM4-Run wrist-based heart rate sensor.

Used product, but fully functional and ready to use.
No original packaging or instruction manual.