SIGMA ONYX Easy Heart Rate Monitor Watch

75.36 Brand New In stock! Order now!
Brand: Sigma Sport
Availability: Only 1 Left In-stock.
Price: $75.36 Domestic Shipping:$6.95
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Ideal for people who want to train with a simple, precise, and digital coded heart rate monitor, the Onyx Easy will make an ideal training partner. Simple to use and equipped with the basic functions, the watch is ideally suited to all who want to train in a healthy and targeted manner. To document training sessions there is a memory for detailed training analysis and total values--even over weeks, months and any freely selectable period of time. Sporting activities are not hindered by the dark thanks to its illuminated display.

Digital coding explained.
Digitally Coding Explained
Sigma Sport s Onyx models are stand outs due to their digital, coded transmission. Through this technology users avoid wireless disturbances during group training known as cross talk effect in specialist jargon. At the start of training, synchronization takes place between the coded chest belt and the heart rate monitor. Consequently the watch only receives data from its own chest belt. The heart rate readings are converted into digital data packages and transmitted to the receiver in the watch. A time coding and ID procedure within Onyx models guarantees that data transmission is significantly more secure compared to analogue heart rate monitors.


  • Digital coded transmission
  • 4 heart rate functions
  • 6 time functions, including countdown and alarm
  • Training mode with 1 adjustable HR zone
  • Burned Kcal
  • Total values per week, per month, and since reset
  • Memory for 1 training session

What s in the Box?
Sigma Onyx Easy heart rate monitor watch, chest belt with digitally coded radio transmission, handlebar holder to use the Onyx Easy on your bike with an O-ring

Manufacturer s Warranty
Five-year warranty on defective parts or products.

About Sigma Sport
Sigma Sport represents German technology at its highest level, combining innovative design with precision engineering. Sigma tests all their products in their in-house laboratories to withstand the harshest conditions, ensuring quality continually throughout production. All Sigma Sport standard lights conform to the stringent German traffic standard, and all Sigma Sport products are CE-approved.

Features : 4 Heart Rate Functions, 6 Time Functions, 1 Adjustable HR zone, Calories, Totals per week/month/last reset, & memory for last work out. *ECG Precise *Digitally Coded *Water proof *Includes handlebar Mount
Color : Black
Size :
Product dimensions : 0x0x0 inches
Product weight : 0.7 pounds

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