Zephyr HxM Smart Heart Rate Monitor For iPhone 5S, 6, 6 plus, 6s, 6s plus iPad & Android Devices 4.3 & newer with Bluetooth Low Energy (4.0)
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Zephyr HxM Smart Heart Rate Monitor For iPhone 5S, 6, 6 plus, 6s, 6s plus iPad & Android Devices 4.3 & newer with Bluetooth Low Energy (4.0)


Only 2 left in stock

Product Description

Zephyr HxM Smart Heart Rate Monitor

The Zephyr HxM Smart is a wearable fitness-tracker designed for use with iOS and other Android 4.3 and newer Bluetooth Smart devices.

At a Glance

  • Uses Bluetooth Smart (Low-Energy) to track Heart Rate, Heart Rate Variability, R-R Interval, Stress, Intensity, Activity Level and Calories while you work out
  • Machine Washable strap that offers both comfort and accuracy
  • Long transmission range (~10m)
  • Waterproof up to 1m
  • Supported by dozen of Apps with no subscriptions required! Compatible with the most popular running, cycling and fitness Apps such as Armour39, Wahoo Fitness, RunKeeper, Strava, MapMyRun, Endomondo, Runtastic, iCardio and dozens more
  • Works with
    • iOS devices: iPhone 5s, iPhone 6 and 6 plus, iPhone 6s and 6s plus, iPod touch (5th generation), iPad (3rd & 4th generation), iPad mini and iPod Nano (7th generation)
    • Android Devices: Running Android 4.3 and later and Bluetooth Smart ready (Bluetooth 4.0 and newer devices with Bluetooth Low Energy)
  • Replaceable coin cell battery lasts up to 12 months


Product Features

From the Leader in Physiological Monitoring
The Zephyr HxM Smart is a wearable fitness-tracker designed for use with iPhone 4s and newer, Android 4.3* and newer and other Bluetooth Smart devices (Bluetooth 4.0 or newer with Bluetooth Low energy support). It combines our Smart Fabric, heart rate sensor technology, movement sensors, & Bluetooth Smart connectivity on a chest strap for athletes who live on the cutting edge of technology.

Built to last 
Using technology developed for NASA, Military Special Forces and Hospitals, the HxM Smart is durable, waterproof (1m) and built with firmware that can be upgraded over-the-air.

Strap-on 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 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: Armour39, Endomondo (iOS only), Strava (iOS only), SportsTracker, Runtastic, Wahoo Fitness and more! *Android users should visit the Zephyr website for a list of apps that support HxM Smart before buying

Workout smarter.
Physiologists and fitness trainers recommend working out within certain heart rate zones to achieve goals such as weight loss or cardiovascular improvement. You no longer have to hold on to dirty handle bars on treadmills because the HxM continuously monitors you for faster feedback. With Zephyr, you can measure life anywhere!

Named The #3 Best Health And Fitness Accessory

Techradar.com has named the Zephyr HxM heart rate monitor the #3 best Health and Fitness Accessory for Smartphones. See their review here.



  • Heart Rate
  • Heart Rate Variability
  • R-R Interval
  • Stress Level
  • Activity Level
  • Peak Accel.
  • Calories

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


Product Specs

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%



Product Review and Links


Official Product Page



Android and Me Review of the Zephyr HxM BT




Compatibility list

* List is not comprehensive. The Android devices listed above by name will also work with the Zephyr HxM Bluetooth Wireless Heart Rate Sensor. The Android device must be running Android OS 4.3 (Jelly Bean) or newe

Device * Zephyr HxM Smart Heart Rate Monitor  Zephyr HxM Bluetooth Wireless Heart Rate Sensor
iPhone 4s and newer X
iPod Touch 5th Gen and newer X
iPad 3rd Gen and newer X
iPad mini and newer X
Compatible with devices running Android 4.3 (JellyBean) and newer with Bluetooth 4.0/ Bluetooth Smart (See android devices list below) X
HTC One (M7) X
HTC One (M8) X
HTC One Max X
HTC One Mini and newer X
Huawei Ascend P7 X
LG G Flex X
LG G2 and newer X
LG Nexus 4 X
LG Nexus 5 X
Motorola Moto G X
Motorola Moto X X
Samsung Galaxy Grand 2 X
Samsung Galaxy Note 4 X
Samsung Galaxy Note 5 X
Samsung Galaxy S4 X
Samsung Galaxy S5 X
Samsung Galaxy S6 and S6 edge X
Samsung S5 Mini X
Sony Xperia VC X
Sony Xperia Z1 and newer X
Sony Xperia Z1 Compact X
Sony Xperia Z1 Ultra X
Sony Xperia ZL X
All other Android Devices X
Windows Phone 8 X



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