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The Go2Sleep is the world’s most advanced sleep tracker ring available on the market.

The ring takes Heart Rate & Blood Oxygen (Sp02) measurements every second and transmits that data via Bluetooth in real-time to the SLEEPON app on your iOS or Android smartphone, where proprietary algorithms produce comprehensive sleep reports and feedback for you to better understand and optimize your sleep.


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  • Comfort and Precision: Minimalistic design with abundant capillaries provides more accurate signals than wrist-worn sleep trackers.
  • Integrated Report: Get your heart rate, blood oxygen, AHI, sleep debt, and sleep quality reports through one app.
  • Family Data Sharing: Add family members in the app to track their sleep reports at any time.
  • Alerts (optional): If snoring or posture causes a drop in blood oxygen, the device will gently alert you through vibration.
  • Improve Sleep Quality: SleepOn app analyzes reasons of poor sleep and suggests ways to improve.

The Go2Sleep, SLEEPON app, and related data are intended to be used only for recreational purposes and not for medical purposes, and are not intended to diagnose, monitor, treat, cure, or prevent any disease or condition. Readings are for reference only, and no responsibility is accepted for the consequences of any erroneous readings.

Size: 22 x 30 x 18 mm (.86 x 1.18 x .71 in)

Weight: 6 grams (.21 ounce)

Materials: The device is made of acrylic/PC+ABS plastics and the silicon ring is made of food-grade silicon.

Certifications: RoHs, CE, FCC, TELEC

Included with the purchase:

  • GO2SLEEP sleep tracker ring
  • Ring silicon holder
  • Charger
  • USB cable
  • User Manual