Safety instructions

Safety information for intended use

Please read this safety information carefully before using the ring. Keep these instructions for future reference.

Intended use

This product is intended exclusively for private use by end consumers. It is designed to collect fitness and health data (such as step count, heart rate, oxygen saturation, and stress levels) for personal use and is not a medical device. It is not suitable for medical diagnoses or treatments and does not replace visits to a doctor or other medical professionals.
Any other use—for example, in medical, industrial, or safety-critical applications—is considered improper and is prohibited.

Potential hazards

Battery safety

  • The ring contains a built-in lithium-polymer battery. Improper handling may cause overheating, leakage, or explosion.

  • Do not expose the ring to direct sunlight.

  • Use only the charging accessories provided. Do not modify or tamper with the charger or the ring.

  • Never leave the ring charging unattended overnight.

Radiation & wireless technology

  • The ring transmits via Bluetooth Low Energy (BLE). This wireless technology complies with applicable EU limits.

  • Frequency band: 2.402 GHz–2.480 GHz (Bluetooth LE)

  • Max. transmitted power: 2–3 dBm

Technical limitations

  • The measured values are intended as guidelines and may be affected by movement, external factors (e.g., temperature changes), improper wear, or calibration errors.

  • If measurements are inaccurate, perform a calibration in the app.

Safety for children

  • Not suitable for children under 14 years of age. Small parts may be swallowed (choking hazard).

  • The ring is not a toy.

Disposal

Please do not dispose of the ring with household waste. Take the device to a designated collection point for the proper disposal of electronic waste.