cosinuss° One — Anja Beranek

Regular price €119.00

Product Information

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.

  • convenient to wear
  • not falling out
  • impermeable to splash-water
  • highly accurate measurement of your vital signs
  • award-winning design


  • Transmission: Bluetooth 4.0, ANT+
  • Size (smaller than expected): 4.5 cm x 1.8 cm x 3.8 cm
  • Weight: only 6,5 g
  • Radio frequency: 2,4 GHz
  • Battery lifetime: 10 h


  • cosinuss° One device
  • USB charging cable
  • hardcover case
  • user guide
  • cosinuss° One app (Android or iOS)




All devices, which have Bluetooth Smart Technology 4.0 or ANT+, can connect your °One.



This devices were tested with the cosinuss° One. For some Garmin products, you can use Torsten Völkel's app for displaying the temperature. All other products display only the heart rate.

Sport watches

    • Garmin: vivoactive Serie, Fenix Serie, Forerunner Serie
    • Polar: V800, M400
    • Suunto: Ambit 3
    • Apple: Apple Watch

Bike computer

    • Garmin: all
    • O-synce: all
    • ciclosport: all
    • Polar: V650

Smartphone Apps

    • cosinuss° One
    • Runtastic
    • Runkeeper
    • Apple Health Kit
    • Adidas Mi-coach
    • Strava
    • Endomondo
    • Garmin
    • Wahoo

In some apps it is possible, that you have to pay extra costs for the connection.