COLMI R02 Military Grade Smart Ring

$26.99

Color: Gold
  • Gold
  • Black
Ring Size: 9
  • 9
  • 8
  • 10
  • 11
Limited availability — only 14 left.

Estimated delivery between November 28 and December 03.

COLMI R02 Military Grade Smart Ring

14-Day Returns

Unhappy with your order? Return within 14 days of delivery.

COLMI R02 Military Grade Smart Ring

Risk-Free Purchase for Defective or Lost Items

Damaged, defective, or lost items are covered with a full refund.

Shipping & Delivery

Shop with confidence — every order is fully protected from checkout to delivery.

  • Delivery Time: Most orders arrive within 5–10 business days.
  • Processing: Orders are checked and packed within 1–4 business days.
  • Flat Shipping: One rate for all sizes and quantities.
  • Pricing: Prices include all applicable taxes. International orders may incur local duties; we notify you in advance.
  • Delivery Protection: Lost or delayed shipments are fully covered.
  • Extended Delay Coverage: In very rare cases — such as unexpected carrier delays or technical issues — if your package has not moved or arrived after 30 days and the carrier has not reported it as lost, we will automatically consider it lost and issue a full refund.
  • Tracking: Real-time tracking is available for all shipments.
  • Address Updates: Contact us before dispatch if you need to update your shipping address.
  • Support: Email us at help@devicean.com. If we can't respond immediately, we will get back to you as soon as possible.

Read full Shipping & Delivery Policy

Returns & Refunds

We’re confident you’ll love your purchase — but if something isn’t right, we’ll make it right.

  • Return Window: 14 calendar days from delivery for any reason (dissatisfaction, defect, or damage).
  • Free Returns for Our Error: Defective, damaged, or incorrect items — return shipping is free.
  • Change of Mind: Return allowed, but shipping is paid by the customer.
  • Fast Refunds: Issued within 3–5 business days after your return is received and inspected.
  • Easy 3-Step Process: Submit return request → Receive instructions → Send & Refund.
  • Happiness Guarantee: Even after the return window, contact us for replacements, partial credits, or alternative solutions.
  • Support: Email us at help@devicean.com. If we can't respond immediately, we’ll get back to you as soon as possible.

Read full Returns & Happiness Guarantee Policy

COLMI R02 Military Grade Smart Ring

$26.99

$26.99

Choose option
Color: Gold
  • Gold
  • Black
Ring Size: 9
  • 9
  • 8
  • 10
  • 11

Product Details

Reach your fitness and wellness goals with ease using the COLMI R02 Military Grade Smart Ring. Its sleek stainless steel and resin design is lightweight yet durable, allowing you to monitor heart rate, blood oxygen, stress, and sleep while staying active across 20 workout modes. Enjoy the freedom of a water-resistant ring that fits seamlessly into your daily routine.

Comprehensive Health and Activity Tracking

  • All-Day Health Monitoring: Track heart rate, blood oxygen, stress, and sleep to stay informed and maintain balance in your lifestyle.
  • Activity Tracking: Keep tabs on steps, distance, and calories burned to support your fitness journey and daily movement goals.
  • 20 Exercise Modes: Supports a wide range of workouts, helping you optimize training and enjoy varied physical activity.
  • Durable, Water-Resistant Design: IP68 and 3ATM rating lets you swim, shower, or wash hands without worry.
  • Bluetooth 5.0 Connectivity: Seamlessly pairs with your devices for reliable syncing and real-time updates.
  • Magnetic Charging: Conveniently recharge the 17 mAh battery quickly and effortlessly for uninterrupted use.

Durable Design Meets Everyday Comfort

The COLMI R02 combines stainless steel and resin for a lightweight 4.7 g (0.17 oz) feel that sits comfortably on your finger all day. Its sleek military-grade design ensures durability without sacrificing style.

Waterproof to 3ATM / IP68 standards, this ring withstands swimming, showers, and daily handwashing. Bluetooth 5.0 offers stable connectivity, while magnetic charging simplifies keeping your ring powered.

Smart Companion for Active Lifestyles

Track your steps, distance, calories, and exercise performance across 20 modes. Continuous heart rate, blood oxygen, stress, and sleep monitoring provide valuable insights to help you maintain a balanced and active lifestyle.

Technical Specifications

Specification Details
Brand Name COLMI
Model R02
Material Stainless Steel (Outer), Resin (Inner)
Weight 4.7 g / 0.17 oz
Battery Capacity 17 mAh
Charging Method Magnetic Charging
Bluetooth Version Bluetooth 5.0
Water Resistance 3ATM / IP68 (Swimming, Showering, Washing Hands)
Activity Tracking Steps, Distance, Calories
Health Monitoring Heart Rate, Blood Oxygen, Stress, Sleep
Exercise Modes 20 Different Modes
Ring Sizes 8#: 18.3