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How does the Power HR strap work?  

After installing the app from the app store, restart your phone and enable Bluetooth to avoid connection problems.
Once connected to your device using the app, the Power HR strap (a) automatically detects, measures, and wirelessly 
transmits your heart rate (bpm) and your workout intensity output (Watt) in real time to your device (b). 

When the 2 conductive pads (5) are properly moisturized and positioned on your chest, the Power HR sensor will detect 
your ECG (electrical signal) and calculate your current heart rate frequency (beats per minute).

The Power HR sensor calculates your power output using advanced algorithms based on your real time heart rate.

Technical specifications 

Certified Bluetooth 4.0
Heart Rate range from 30 to 240 bpm
Power (energy) between 0 to 5,000 watts
Transmission range up to 3m (~10 feet) - in open areas without interference
Adjustable fabric chest strap 66-133cm (26- 52.4 inch) with snap fit closure 
Replaceable battery - CR2032
Battery life during normal use: > 1 year
Water resistance: IPX4 rated
Operating temperature: 0°C ~ 50°C
Storage temperature: 20°C ~ 60°C
Weight: total ~45g (~1.59oz) : ~ 15g (unit) + ~30g (Chest strap) 

Support 

If you have any questions, please email us at 

[email protected]

 

You can also consult troubleshooting and FAQ guides on our website. 

How to replace the battery?

1- Use a coin to turn the battery cover 

¼

 turn counterclockwise to open the battery compartment at the back of the Power HR sensor.

2- Remove and replace the old battery with a CR2032 type e-cell by inserting as indicated by the polarity markings (+/-).
3- Put the battery cover back in place by turning 

¼

 turn clockwise. Make sure the 0-ring is in the correct position.

We advise you to contact an authorized facility to change the battery. By changing the battery yourself, you risk 
damaging the 0-ring and compromising the water resistance of the product thereby voiding the product warranty. 

Precautions and safety instructions 

1. Do not immerse the product in water.
2. Do not dismantle the product or attempt maintenance yourself.
3. This product contains an e-cell battery, do not dispose of the product into household trash; instead, store it 
separately and contact your local dealer for disposal.
4. Do not throw the product into fire.
5. This product is not intended for use by young children or infirm persons without supervision. 

FCC regulation

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:  

(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that may cause undesired operation. 

This equipment has been tested and found to comply with the limits for a class C digital device, pursuant to part 15 of 
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential 
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference 
to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged 
to try to correct the interference by one or more of the following measures:  

-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help. 

Please Note: Any change or modification, which has not been expressly authorized by iMaze, is liable to invalidate the 
authorization granted to the user for the use of the equipment. 

CE declaration of conformity

Product description: Bluetooth 4.0 heart rate and power strap 
Is herewith confirmed to comply with the requirements set out in the Council (European parliament) Directive on the 
Approximation of the Laws of the Member States relating to Electromagnetic Compatibility of Radio and Telecom 
device (1999/5/EC). For the evaluation regarding this Directive, the following standards were applied: 
EN300 440-1 v1.6.1:2010
EN300 440-2 v1.4.1:2010
EN301 489-1 v1.8.1:2008
EN301 489-3 v1.4.1:2002
EN62479:2010
EN60950-1/A12:2011 

Warranty limitation 

iMaze guarantees the initial purchaser that this product is free from defects of materials or manufacture for a period 
of two years from the date of purchase. Please keep your receipt as proof of purchase. 

- This warranty does not cover damage resulting from misuse, from a failure to respect the precautions for use, from 
accidents, from improper maintenance, from commercial use or from use of non-approved software applications.
- This warranty does not cover loss (device and data) resulting from malfunction or misuse of the product.
- This warranty does not cover damage resulting from repairs carried out by persons not authorized by iMaze.
- The warranty does not cover batteries or cracked or broken casings where signs of a blow are evident.
- All photos and pictures representing our products on packaging are not contractual.  

ref. pack: imaze14-PGSI001-EN  

www.iMazecorp.com 

© 2013 iMaze, Inc. All rights reserved. All trade and brand names are registered trademarks of their respective manufacturers. 

 

 

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Thank you for purchasing this iMaze product. Combined with the 

smartPulse

 app, the Bluetooth smart Heart Rate and 

Power strap turns your smartphone or tablet into a powerful GPS heart rate monitor and power meter.

WARNING 

- Read all instructions thoroughly before use.
- This product is incompatible with Bluetooth 2.0 enabled devices (or lower) such as iPhone® 3/3S/4 and iPad® 1

st

 and 

2

nd

 generations.

- iPhone, iPad, or other Bluetooth 4.0 enabled smart device is not included in the box.
- This product must be paired to your device using the 

smartPulse 

app.

- The use of GPS positioning in multi-task mode over prolonged periods will cause increased battery consumption in 
your device.

Before beginning or modifying any exercise program, please consult your physician. If you have a pacemaker or other 
implanted electronic device, consult your physician before using a heart rate monitor. The Power HR strap is intended 
for recreational use only and is not intended for medical purposes. Heart rate and other readings could be influenced 
by interference from external sources.

If you use the Power HR strap with navigation software, always stay aware of your surroundings and do not fixate on 
the screen. Moreover, set destinations and other user inputs prior to your departure to ensure your attention stays on 
task instead of on the device. 

Device compatibility

The Power HR  strap is compatible with the latest generations of iPhone, iPad, iPod touch and others including:  

- iPhone® 4s and 5/5s/5c
- iPad® 3

rd

 generation and iPad® mini

- Other Bluetooth 4.0 enabled smart devices  

Software compatibility

The Power HR strap must be connected to your device using the app. Do NOT try to pair the Power HR strap directly with 
your device in Bluetooth® Settings.  

The Power HR strap may work with other apps but it may connect differently than the iMaze app does.  Please see the 
other app's website for detailed instructions on installation and use. You must pair and connect the Power HR strap 
separately with each app you use.  You can’t connect in one app and have it recognized in others.  

Check on our website for the available 

smartPulse

 application compatible with your device.  

What’s in the box?

• Bluetooth® 4.0 Heart Rate and Power sensor
• Adjustable soft fabric chest strap
• Quick Start Guide
• Product Guide and Safe Use Instructions 

Power HR strap overview 

 

Power HR sensor 

1. Snap buttons / F
2. Battery cover

Fabric strap

3. Snap buttons / M
4. Adjustable strap
5. Conductive pads 

How to wear the Power HR strap? 

- Snap the Power HR sensor into one end of the fabric strap (3).
- Adjust the fabric strap (4) length to fit your chest.
- Wrap it around your back, keeping the sensor facing up on your chest and the conductive pads in contact (5) with 
your skin.
- Snap the other end of the strap into place (3). 

• Before wearing, moisten both conductive pads of the strap with water.
• Make sure that the strap is comfortably but tightly attached around your chest. 

Power HR strap

Bluetooth 4.0 Heart Rate and Power strap

SFSTRHRP-BLE/001-GR 

EN

PRODUCT GUIDE AND SAFE USE INSTRUCTIONS 

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