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Circul

Circul Smart Ring-Adjustable Wearable Ring for Men Women Blood Oxygen Blood Pressure Ring No App Subscription Fitness Ring

$299.99

1264+ bought in the past month

About this item

  • Adaptive-Fit Design: Revolutionary technology automatically adjusts to finger size changes throughout the day. Perfect skin contact ensures accurate readings while maintaining comfort. Fits multiple fingers without sizing kits.
  • Advanced Sleep Monitoring: Tracks your sleep patterns and oxygen levels throughout the night, providing insights to help you understand your sleep better.
  • Real - time SpO2 Tracking: Continuously monitors your blood oxygen levels in real - time, keeping you informed of your body's oxygen status. Monitors heart rate, HRV, SpO2, activity, stress, and temperature. OTA updates ensure latest features, while the app provides trend analysis and personalized insights.
  • No Subscriptions, Extended Battery: One-time purchase unlocks all features permanently. 4 - 7 day battery life with 120+ additional hours from portable charging case. iOS/Android compatible with Apple Health sync. 5 ATM waterproof.
  • Professional Fitness Tracking: Accuracy rivals chest straps with multiple sport modes, real-time monitoring, and customizable goals to optimize training effectiveness.

Key details

Special Feature
Wireless Charging
Wireless Communication Standard
Bluetooth
Shape
Round
Brand
Circul
Style
Modern

Dimensions and fit

dimensions
1 x 1 x 1 inches
weight
0.035 ounces
Screen Size
1
package_dimensions
1 x 1 x 1 inches
item_weight
0.035 ounces
standing_screen_display_size
1

Technical specifications

Compatible Phone Models
Android devices
item_model_number
50-51019

Item information

Color
Space Gray
Compatible Devices
Smartphone
Display Type
Analog
best_sellers_rank
#59,109 in Electronics ( See Top 100 in Electronics ) #170 in Smart Rings
date_first_available
March 22, 2025
manufacturer
Hangzhou Megasens Technology Co.,Ltd.
Highlights

About this item

  • Adaptive-Fit Design: Revolutionary technology automatically adjusts to finger size changes throughout the day. Perfect skin contact ensures accurate readings while maintaining comfort. Fits multiple fingers without sizing kits.
  • Advanced Sleep Monitoring: Tracks your sleep patterns and oxygen levels throughout the night, providing insights to help you understand your sleep better.
  • Real - time SpO2 Tracking: Continuously monitors your blood oxygen levels in real - time, keeping you informed of your body's oxygen status. Monitors heart rate, HRV, SpO2, activity, stress, and temperature. OTA updates ensure latest features, while the app provides trend analysis and personalized insights.
  • No Subscriptions, Extended Battery: One-time purchase unlocks all features permanently. 4 - 7 day battery life with 120+ additional hours from portable charging case. iOS/Android compatible with Apple Health sync. 5 ATM waterproof.
  • Professional Fitness Tracking: Accuracy rivals chest straps with multiple sport modes, real-time monitoring, and customizable goals to optimize training effectiveness.

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