Check your ring size first
Our sizes differ from US standards. Use our free, eco-friendly sizing kit to find your fit—yours to keep, no return required.
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Heart rate monitoring
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Skin temperature measurement
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Heart rate variability (HRV) tracking
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Blood oxygen (SpO₂) monitoring
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Sleep tracking with insights
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Daily activity and step counting
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Stress level monitoring
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Women’s cycle tracking
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Sport tracking for running, biking, fitness, hiking, yoga, tennis, volleyball, football, golf, stretching, surfing, pilates, fighting sports, and more
Comes with a free app, a charging case and cable, and offers a battery life of approximately 5–7 days on a single charge.
Before shipping, you’ll receive a fit sample kit to easily find your perfect size. Once confirmed, we’ll send you your perfectly fitting product