The COLMI R11 Smart Ring—AliExpress's top-selling smart ring—puts essential health tracking on your finger with a discreet rotating design that doubles as a calming stress-reliever.
- Track heart rate, sleep quality, blood oxygen, and stress, plus steps, distance, and calories—delivered in a compact ring you can wear all day without a screen.
- Benefit from ultra-long battery life: up to 60 days on a single charge with the included charging case, which only powers up when its lid is closed.
- For best accuracy, wear it on your index finger and measure your finger circumference to ensure a snug fit; then you can pair with the Da Rings app for clear, trend-driven insights.
- With 5ATM water resistance, this ring keeps up with your day—handling daily sweat and rain—while the rotating design provides a tactile stress-relief moment when you need it.
