Zephyr HxM Heart Rate Sensors Zephyr HxM Smart Works with iPhone 4s and later, iPod, iPad. Half price sale... Product #: Zephyr-HxM-Smart based on 0 reviews Regular price: $79.95 $79.95

Zephyr HxM Smart

Brand: Zephyr HxM Heart Rate Sensors

Price: $79.95  $39.98

From the Leader in Physiological Monitoring
Works with iPhone 4s, iPhone 5, iPod, iPad

Born from the HxM BT and the BioHarness, the HxM™ Smart gives you Heart Rate and R-R Interval with Bluetooth Smart (4.0) – allowing you to connect easily with iPhone 5, iPhone 4s, iPod, iPad and other Bluetooth Smart Ready devices.

Comfort for all-day performance

Smart Fabric is conductive fabric that provides market-leading comfort and accuracy. It is woven onto a soft, elastic, adjustable (up to 40 inches) Machine Washable strap worn around the chest. It is covered by a 12-month limited warranty from defects and the strap itself is replaceable.

Your phone, your app…no subscriptions!

Why should you be tied to a device that only lets you use one app and charges you a subscription fee for the privilege? With an open communication design, the HxM provides unparalleled flexibility with the phones and applications you use. Supported by dozens apps including: Endomondo, Strava, SportsTracker, Runtastic, and more!*


    Uses Bluetooth Smart (Low-Energy) to provide heart rate,  RR Interval to your iPhone 5, iPhone 4s
    Machine Washable strap that offers both comfort and accuracy
    Long transmission range (~10m)
    Water Resistant up to 1m
    Supports dozens of Apps with no subscriptions required!
    Works with iPhone 4S, iPhone 5, iPod touch (5th generation), iPad (3rd & 4th generation), iPad mini and iPod Nano (7th generation)


    Heart Rate
    Heart Rate Variability
    R-R Interval
    Stress Level
    Activity Level
    Peak Acceleration

*Not all apps will display every measurement the HxM Smart supports. Check with your app for details on what they display.


HR Range:     25 – 240 BPM
Battery Type:     CR2032
Transmit Range:     10m
Frequency:     2.4 – 2.4835GHz
Garment Washes:     50
Operating Limits:     
     Temperature:     -10 – 50°C
     Humidity:     5 – 95%


Download Zephyr HxM Smart User Guide

For Developers: Download the HxM Smart SDK

HxM Smart uses standard Bluetooth Low Energy Heart Rate monitoring profiles. Compatible hardware required (iPhone 4s (Bluetooth 4.0), iPhone 5, et al). For custom packet support which includes RR, activity, peak acceleration, over the air firmware update capability, and more, the SDK has supporting documentation to unlock the full potential of the HxM Smart.

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