Cosinuss °One Wireless In-ear HRM

€129.00 *

Prices incl. VAT plus shipping costs

Free of shipping costs!

Delivery time approx. 5 working days



  • Z10015
  • Cosinuss° is a lightweight-champion and wireless in-ear heart rate monitor. The °One is a first-in-class wearable to additionally monitor heart rate variability and body temperature during activity.
The world's lightest and most cordless in-ear heart rate monitor that measures your body... more
Product information "Cosinuss °One Wireless In-ear HRM"

The world's lightest and most cordless in-ear heart rate monitor that measures your body temperature and  additionally monitors your heart rate precisely.
Chest strap was yesterday, the °One is tomorrow

The cosinuss° One is an In-Ear Wearable that monitors your heart rate precisely. Additionally it measures your heart rate variability and your body temperature. Blood Oxygen level will be coming soon. The °On is the smallest and lightest heart rate monitor worldwide. It weighs only 6 gramms and has an overall size of about 4 x 4 centimeter. For the first time the optical heart rate measurement has become as precise as the electrical one. All devices that feature either Bluetooth or ANT+ are able to connect to the °One.
    Pleasant to wear
    Precise measurement
    Compatible with sports watches, bike computers and fitness apps.
Anja Beranek, our brand ambassador, is one of the most charming pofessional triathletes. She loves measuring her heart rate without a chest strap using the cosinuss° One.

Sporty ergonomics - Do not feel like a choking and tight chest belt?
The cosinuss One is designed as an alternative to the chest strap for long-term wear during droughts. The ergonomics of a hammock has been optimized for dynamic movements in sports. Material and workmanship, and transmission power, for the purpose of the preservation and preservation.

Patented measurement methods - Do not want to have an unwieldy fitness strap on the wrist?
The optical pulse measurement has been optimized by the symbiosis of sports science and medical technology. The measurement in the ear is best suited. There, dangers are constantly well-perfused. The head is kept at rest by the body and is close to the core core. Therefore it is an ideal measuring point for pulse-temperature and other vital signs.

Compatible Data - Do not feel like a thousand gadgets that do not work together?
You can pair all your devices that you already own with the ° One - whether it's a heart rate monitor, bike computer or fitness app. With the standard transmissions via Bluetooth or Ant + is not a problem. In addition, you can also export your training data as a CSV to use in your training plans. A smooth integration.

Long Runs - Do not want to spend a few hours giving up your mind?
The cosinuss One lasts longer than you thanks to its extreme lightweight construction and energy efficiency. With only six grams of weight on just under four by four centimeters, it is the smallest and lightest pulse meter in the world. The One will resume up to eight hours and lt in one hour under real conditions.

NOTE: The sporty use of the cosinuss ° One, e.g. in the rain, with wet hair, after swimming or during heavy sweating is no problem. However, the ° One should not be used for swimming.

Cosinuss One - Innovative heart rate monitoring
The best and most comfortable way to integrate your pulse into the training
With the cosinuss° One you belong to the pioneers of a new body consciousness. Precise body data from training and competition help you to improve your performance efficiently. Applied research and sports technology that really brings you further.

    Maximum freedom - Innovative heart rate monitoring in your ear. Free breathing and free movement without chest strap.
    Fully compatible - Connect via bluethooth and ANT+ with all sports watches or smartphones.
    Highest precision - Measure your physical data precisely thanks to patented earconnectTM technology

Vital signs - for your optimum performance
Precise heart rate monitoring without chest strap
The innovative heart rate monitor cosinuss° One measures your vital signs precisely in your ear. Without any physical constraints you get the highest freedom of movement you have ever experienced. Finally, precise measurement without chest strap! Heart rate monitoring with the chest strap was the one and only standard for a long time, if you wanted to get exact data. However now, with the cosinuss° One a new dimension is reached. Your heart rate is monitored as precise in your ear. And even better: In your ear the °One can monitor not only your heart rate, but even more vital signs. That gives you the possibility to determine your performance even better.

Know your body Temperature
Performance creates heat. Cooling needs power. This power is missing in your training and competition. ?Cardiac Shift? ist the consequence. Are you sure about what you can expect of yourself today? How did you digest your training from yesterday? With the knowledge about your body temperature you can prevent overload and dehydration. That helps you to optimise your traiing and your regeneration phases. You get to know your body even better.

Heart rate variability
The distance between two successive heartbeats can be measured as an RR interval. The RR intervals are not the same length, but are subject to fluctuations. The quantification of these fluctuations is called heart rate or heart rate variability (HRV). In psychophysiology, HRV is considered a biofeedback for stress detection. The HRV also serves to control stress in sports. A high variance generally indicates good health and fitness, but a small variation of the heart rate can indicate a high stress level or over-training.

Sensor technology - Wearable technology for endurance sports
Earconnect - Continuity and precision
The patented earconnect technology allows the monitoring of several vital signs in the outer ear canal. cosinuss° optimised the method of optical heart rate monitoring and applies it in the right place - the ear. This technology allows a mobile monitoring of reliable data of vital signs in many areas of application. No matter if you run a marathon or train for a triathlon event - listen to your body, keep it healthy and fit.

Light weight construction, safety and sportive ergonomics
The cosinuss° One is a light weight and supports your training sitting in your ear. Its fit is explicitely designed for the endurance sports community. As an alternative to the chest strap the cosinuss° One is mainly one thing - user friendly. It does not hurt, it fits comfortably in your ear. It does not restrict you. It is so discreet, you can even wear it continously. It does not disturb you, you can fully concentrate on your training.

Long battery life and short charging time
The cosinuss° One runs as long as you do! No cable, full compatibility with all your gadgets for running , cycling or whatever your passion is. Who does not know that? Many electronical devices pack up exactly then, when you need them. The cosinuss° One includes efficient components and software that only need a minimum of energy. That allows a running time of up to ten hours and makes the °One a perfect companion for endurance athletes. Its recovery period is one hour - how long do you need to rest?

Up to date without registration and free of charge

The cosinuss° One App is the personal advisor of your sensor. It shows you the measurement accuracy and the battery state. Pairing with your mobile will be done automatically after a while. The free app automatically updates your ° One with updates to make it even better. Regular updates always keep your One up to date. Updates are automatically transferred to your sensor via over-the-air transmission as soon as it is connected to the app. The in-house cosinuss ° One App is available free of charge and without registration in the Google Play Store or the App Store.

   Signal Quality - The cosinuss ° One app shows you how good the ° One sits in your ear. The signal quality helps you choose the right size and the right place in the ear.
   Free to your cosinuss ° One - You can download the cosinuss ° One app for free at the Google Play Store or Apple Store. You do not have to register or login. Your cosinuss ° One automatically connects to your sensor at the start of the app, thanks to improved sensor pairing, and shows you if there is anything new to support you during your training.
   Simple and easy to use - The cosinuss ° One app is a pleasure for every user due to its clarity in design. An intuitive and very clear user interface keeps you from reading long manuals, eternal experimentation with settings or a neat registration process. cosinuss ° One in the ear and off you go!
Measure quality
In the cosinuss One app you can check how good the quality of your measurement is. This depends on the seat of the One in your ear. Check the index bar. A correct pulse is now safe. In addition, you can see the measured values ??of the coolant temperature and the battery status of your sensor in our app.
Visualization - Visualize the data that makes you successful!
Like the cosinuss° One, the cosinuss ° One app is also focusing on the really important things in the water sports. In addition to the usual parameters, you can also visualize and track your temperature. This gives you more insight into your performance with exactly the data you need to bring the highest levels of performance. The cosinuss ° One app shows you the data you need to control your training sessions:
        Pace (min / km)
        Pulse rate (min/dia/max)
        Cooling temperature (min/dia/max)

In addition, the app gives you an overview of your vital parameters. You need these values to plan an optimal performance increase and to get to know your friend even better:
The cosinuss ° One app shows you what you really need. Clearly structured - easy to understand!

Overview of the data & amp; History for optimal training results
In addition to displaying the numbers, your heart rate and temperature data can be easily and easily visualized in a diagram. For the overview of your training sessions, you can view all of the training sessions you have completed, and thus make the training success visible over a longer period.

Export the data for individual evaluation
For the overview and creation of your individual training planning you can export the data in the CSV format and on the PC, for example, in Excel or OpenOffice, edit and document it.

Integration - Integrate your data anywhere and build your own app
You have an idea how to make better use of your cosinuss ° One? You would like to build an app exactly? We support you! You are already training with a training software or you have an idea how you would like to have your data visualized or evaluated? No problem! Your data is open for you and is compatible for integration into existing systems.

The cosinuss ° One App is now available free of charge in the App Store and Google Play Store

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