TECHNOLOGY

Laboratory-grade sensing, worn on one finger

Infrared PPG array

Dual-wavelength photoplethysmography samples your pulse from the palm-side arteries — designed for accurate heart-rate and blood oxygen measurements.

3-axis accelerometer

Detects movement, steps and micro-restlessness to separate genuine deep sleep from lying still.

Skin temperature probe

Tracks nightly variation from your personal baseline to help identify changes in recovery and wellness.

SpO₂ sensing

Overnight blood oxygen sensing helps identify breathing disturbances and changes in your nightly patterns.

THE APP

One score. Every morning.

Wake up to your personalised readiness and recovery score, designed to help you optimize every day with precision health insights.

Advanced sleep tracking

Heart rate variability monitoring

Daily readiness score

Personalised insights

Specifications

Battery life Up to 7 days
Charge time ~90 minutes
Water resistance 100 m / 10 ATM
Shell Surgical-grade titanium
Inner shell Hypoallergenic resin
Weight 2.4 – 3.6g
Thickness 2.6 mm
Connectivity Bluetooth 5.2
Compatibility iOS & Android
SMART INTERACTION

Control more with a simple gesture.

Use hand movements and supported gestures to interact with compatible smartphone functions, without constantly reaching for your phone.

Gesture Control

Use simple hand movements to interact with your phone more naturally.

Hands-Free Interaction

Control supported functions without needing to constantly reach for your phone.

Smart & Convenient

Designed for quick everyday interactions such as compatible phone functions, media and other supported actions.

How it works

01

WearPut on your TK BioSync smart ring and connect it to the compatible app or device.

02

GestureMake the supported hand movement or gesture.

03

ControlThe ring detects the movement and triggers the corresponding supported action.