Machined from stainless steel. 

The sensor array inside — Pixart 2860 processor, HX3605 heart rate sensor, dual optical blood oxygen monitoring — runs quietly beneath the surface. Continuous. Precise. Collecting what matters while you sleep, train, and move through your day.

Sleep structure. Blood oxygen. Heart rate. Calories. All of it, organized and waiting in your app.

IP68 waterproof. 5–7 day battery. Charged fully in 30 minutes.

Compatible with Android 6.0+ and iOS 11.0+.

What's in the box Smart Ring · Charging Compartment · Magnetic Cable · Instruction Manual

Available in Silver. Size 9.

The gap between knowing and guessing is smaller than you think.