Train Smart, Get Fit.

Armband heart rate monitor

rhythum
cheststrap
60-day No Hassle Returns
Ideal for runners, joggers, cyclists, hikers/climbers, skiers, health enthusiasts and more.
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antplus
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watches

FEATURES

HYPER-ACCURATE

Employs patented optical sensor technology for highly accurate monitoring and measurement. The accurate measurement of exercise intensity is an area where many other products fall short, but Rhythm+TM excels.

FITNESS APP-FRIENDLY

Works with the most popular fitness apps  - over 200 in all.

WORKS WITH VIRTUALLY ANY DEVICE

Great for use with smartphones, tablets, smart and sport watches, exercise equipment and many other devices that support Bluetooth Smart or ANT+ heart rate data.  

100 FT. RANGE

Allows you to wirelessly workout up to 100 feet from your mobile device or exercise equipment.

NO CHEST STRAP REQUIRED

“Breathable” neoprene armband design means greater comfort and ease of use. Comes with both a large and small armband. 

8 HOUR BATTERY LIFE

Extended use rechargeable battery allows you to workout for up to 8 continuous hours, then simply plug it in with the charging cable (included) to recharge the Rhythm+TM for your next use. 

SWEATPROOF & WATERPROOF

IP67 sweat and waterproof construction means the same great accurate performance in both dry and wet conditions. Rhythm+TM can even be submerged up to 1 meter.

GREEN/YELLOW OPTICAL SENSOR ARRAY PROVIDES SUPERIOR MEASUREMENT WITH ALL SKINTONES

Better than monitors and watches that employ only green sensors.

rhythum
heart-rate
  • FITNESS APP-FRIENDLY
  • HYPER-ACCURATE
  • SWEATPROOF & WATERPROOF
  • 100 FT. RANGE
  • HYPER-ACCURATE
  • NO CHEST STRAP REQUIRED
  • WORKS WITH ANY DEVICE
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buynow
$79.99
+ FREE SHIPPING
Runner’s Package
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productwatch
Armband Heart Rate Monitor
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Ultralight Sport Armband Case for Smartphones
Control your music. Take handsfree calls.
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Sport Clip Earbuds with slideLINE Remote & Mic
$104.99
+ FREE SHIPPING
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Cycling Package
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productwatch
Armband Heart Rate Monitor
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Weather-Resistant Handlebar Mount for Mobile Devices
Control your music. Take handsfree calls.
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Sport Clip Earbuds with slideLINE Remote & Mic
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$104.99
+ FREE SHIPPING
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25%

PerformTek® SENSOR TECHNOLOGY

PerformTek™ Precision Biometrics is a patent-protected sensor technology which continuously measures real-time biometric data with a high degree of accuracy and consistency, and uses this data to give people meaningful fitness assessments.

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OPEN PLATFORM

Compatible Apps

Works with Most Popular Fitness Apps - Over 200 in All!

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SUPERIOR PERFORMANCE - BETTER VALUE - GREATER UTILITY

wahoo Tickr RUN™ Polar H7™
PRICE $79.99 $79.99 $79.95
WATERPROOF
IP67 RATING
   
BLUETOOTH 4.0 & ANT+
 
RECHARGEABLE BATTERY
   
NO BULKY CHEST STRAP
   
ONE SIZE FITS ALL
ACCURATE WITH ALL SKIN COLORS

DON’T JUST TAKE OUR WORD FOR IT.

  • "The armband based sensing technology may be used effectively as an alternative to chest strap monitors for assessment of heart rate. The armband based sensing technology may be used effectively as an alternative to chest strap monitors for assessment of heart rate."

  • "When it comes to connectivity, the world is your oyster with the RHYTHM+. It transmits on both ANT+ and Bluetooth Smart concurrently. This means that it can connect to any ANT+ device that supports heart rate data – like your Garmin watch."

  • "I’m using the Rhythm+TM as a benchmark for optical heart rate accuracy since it’s the most accurate product on the market that I’ve tested," Jon Ham, Professional Personal Trainer and owner of Fitness on the Run.

Optimized for Cardio