COLMI R11 Waterproof Smart Ring

$49.99

Ring Size: 10
  • 10
  • 11
  • 12
  • 13
In stock

Estimated delivery between November 27 and December 02.

COLMI R11 Waterproof Smart Ring

14-Day Returns

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

COLMI R11 Waterproof 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 R11 Waterproof Smart Ring

$49.99

$49.99

Choose option
Ring Size: 10
  • 10
  • 11
  • 12
  • 13

Product Details

The COLMI R11 Waterproof Smart Ring offers advanced health monitoring with heart rate, blood oxygen, and HRV tracking, helping you stay in tune with your body. Its 5ATM water resistance ensures durability for everyday wear, even in wet conditions. Designed for gentle care and thoughtful companionship, this smart ring supports your health management seamlessly and stylishly.

General Information

  • Brand: COLMI
  • Model Number: R11
  • Certification: CE, FCC
  • App Compatibility: Da Rings

Build & Design

  • Case Material: Ceramic
  • Weight: About 6 g
  • Special Features: Rotating design for stress relief

Sizes Available

  • Size 10#: Circumference 62.2 mm (2.45 in), Diameter 19.8 mm (0.78 in)
  • Size 11#: Circumference 64.7 mm (2.55 in), Diameter 20.6 mm (0.81 in)
  • Size 12#: Circumference 67.2 mm (2.65 in), Diameter 21.4 mm (0.84 in)
  • Size 13#: Circumference 69.7 mm (2.74 in), Diameter 22.2 mm (0.87 in)

Battery & Charging

  • Battery Capacity (Ring): 15 mAh
  • Battery Capacity (Charging Case): 200 mAh
  • Battery Life: Up to 60 days with charging case
  • Charging Method: Magnetic Charging

Connectivity & Performance

  • Bluetooth Version: 5.2
  • Main Control Chip: AB2026

Water Resistance

  • Waterproof Grade: 5ATM (suitable for water resistance up to 50 meters)

Health Monitoring

  • Heart Rate Monitor
  • Sleep Monitor
  • Blood Oxygen (SpO2) Monitor
  • Stress Monitor

Activity Tracking

  • Activity Tracker
  • Steps Tracker
  • Distance Tracker
  • Calorie Tracker