Coming soon

KF Sense

KörperForce’s own forearm wearable: heart rhythm for HRV and skin conductance (SCL) in one strap-on unit.

KF Sense, front three-quarter view (concept render)

HRV and skin conductance, worn on the forearm

An optical pulse sensor and two skin-conductance electrodes in one compact unit on a soft strap. Two nervous-system signals together: the heart’s rhythm (recovery and calm) and sweat-driven arousal (stress and activation), with your hands free.

  • Optical pulse (PPG): beat-to-beat intervals for heart rate and full HRV
  • Skin conductance (SCL): two skin electrodes for arousal biofeedback
  • Skin temperature and 9-axis motion: so movement is flagged, not mistaken for stress
  • Forearm fit: replaceable 25 mm hook-and-loop strap and a clip-off, cleanable skin pad
  • Rechargeable: battery with USB charging
  • Built for the KörperForce HRV Dashboard (support in development)
Join the waitlistSee it in 3D

Coming soon. Images are concept renders and illustrations; specification may change before launch.

KF Sense forearm wearable concept render
Take a closer look
KF Sense

A compact two-piece unit on a soft strap, designed for the forearm. Scroll to turn it over, open it up and see how it’s worn.

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Two signals, one band

HRV and SCL from the skin side

  • Optical pulse (PPG) window for beat-to-beat intervals, heart rate and HRV
  • Two skin-conductance electrodes for SCL, a fast, sensitive arousal signal
  • Skin temperature and 9-axis motion, so movement can be flagged instead of mistaken for stress
Inside

Small, serviceable, two-piece

A black two-piece shell holds the sensor board, a wireless controller and a rechargeable battery. The skin-contact pad clips off for cleaning, and the case opens for service.

  • Recessed KörperForce mark on the lid
  • USB charging port and status light
  • No plastic between the sensors and your skin
Built for the forearm

Your hands stay free

KF Sense sits on the forearm on a replaceable 25 mm hook-and-loop strap, so you can grip, train and move between sets while it records.

  • Adjustable, washable strap you can swap
  • Fits most adult forearms
Made for the dashboard Woman breathing calmly in an armchair wearing KF Sense while the Candlelight game runs on her laptop (illustration)

Light the candle with your breath

On the laptop is Candlelight, one of the dashboard’s biofeedback games. Breathe with the moon outside the window; when your heart and breath fall into rhythm the candle lights, and deeper coherence makes the flame grow and burn faster. Your heartbeats appear outside as stars.

Dashboard support for KF Sense is in development alongside the hardware.

Coming soon

KF Sense

Pricing will be announced closer to launch. Join the waitlist to hear first. Unit, skin-contact pad, strap and charging cable included.

Join the waitlist

At a glance

Target specification for the first production run. Details may change as prototypes are fit-tested.

HRV

Optical pulse (PPG) at the forearm for beat-to-beat intervals and heart rate.

SCL / EDA

Two skin electrodes for skin conductance, for arousal and relaxation biofeedback.

Also on board

Skin temperature and 9-axis motion (accelerometer, gyroscope, magnetometer).

Wear

Two-piece black enclosure, clip-off cleanable skin pad, replaceable 25 mm strap.

Power

Rechargeable battery with USB charging.

Works with

The KörperForce HRV Dashboard (support in development).

The product images on this page are 3D concept renders and illustrations, not photos of a finished unit. KF Sense is a wellness and training device, not a medical device; it is not intended to diagnose or treat any condition. Specification and availability are estimates and may change before launch.

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