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RENPHO R-MZW01 Smart Ring

The RENPHO Lynx Smart Ring is a lightweight, subscription-free health tracker that monitors sleep, heart rate, blood oxygen, stress, and activity. It features a durable titanium exterior, 5ATM waterproof rating, 7-day battery life, and an included charging case. Compatible with iOS and Android via the Renpho Health App. HSA/FSA eligible. Use the official sizing kit for the perfect fit.

  • 5 variants
  • 7-day battery life
  • Size: 4 variants
Price range €146
Price spread High
Customer rating 4.0 780 ratings

Available variants (5)

Choose a variant, then open its detail page for seller-specific information.

Grid Compare
Lynx Smart Ring — Smart Ring, RENPHO

Black Size 10

Amazon
Price €145.50
Updated Aug 24, 2026
Available to order
Size
10
Width
0.78 Inches
Length
0.78 Inches
View variant
Lynx Smart Ring — Smart Ring, RENPHO

Silver Size 11

Amazon
Price €145.50
Updated Aug 24, 2026
Available to order
Size
11
Width
0.81 inches
Length
0.81 inches
View variant
Lynx Smart Ring — Smart Ring, RENPHO

Black Size 8

Amazon
Price €145.50
Updated Aug 25, 2026
Available to order
Width
0.71 inches
Length
0.71 inches
View variant
Lynx Smart Ring — Smart Ring, RENPHO

Silver Size 9

Amazon
Price €145.50
Updated Aug 31, 2026
Available to order
Size
9
Width
0.75 inches
Length
0.75 inches
View variant

Variant comparison

Compare prices, availability, and key variant differences in one table.

Feature Silver Size 8 Black Size 10 Silver Size 11 Black Size 8 Silver Size 9
Price €145.50 €145.50 €145.50 €145.50 €145.50
Updated Aug 24, 2026 Aug 24, 2026 Aug 24, 2026 Aug 25, 2026 Aug 31, 2026
Availability Available to order Available to order Available to order Available to order Available to order
Size 8 10 11 — 9
Width 0.71 inches 0.78 Inches 0.81 inches 0.71 inches 0.75 inches
Length 0.71 inches 0.78 Inches 0.81 inches 0.71 inches 0.75 inches
Subscription None No subscription fees free Subscription-free —
Weight 0.0882 pounds 0.0881849048 pounds 0.0881849048 pounds 0.0881849048 pounds 0.0881849048 Pounds
Sensors Heart rate, Blood oxygen, Stress, Sleep, Step, Distance, Calorie Chip and sensor for heart rate, blood oxygen, stress, sleep, steps, distance, calories — Sophisticated chip and sensor —
Color Silver Black Silver Black Silver
Height 0.12 inches 0.12 Inches 0.12 inches 0.12 inches 0.12 inches

Amazon live offers

Offers updated

5 live offers
Top live offer €145.50
New from €145.50
Offer count 5+
Seller Condition Price Shipping Updated
Third-party seller FBA New €145.50 Free shipping 9/2/26 View offer
Third-party seller FBA New €145.50 Free shipping 9/2/26 View offer
Third-party seller FBA New €145.50 Free shipping 8/31/26 View offer
Third-party seller FBA New €145.50 Free shipping 8/31/26 View offer
Third-party seller FBA New €145.50 Free shipping 8/31/26 View offer
Amazon View all offers on Amazon
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Overview

Compare RENPHO R-MZW01 Smart Ring variants, pricing tiers and key differences.

Learn more

How variants differ

  • Size
  • Width
  • Length

Who each variant is for

  • Compare 2-3 closest variants by price and key specs before deciding.

Reviews

4.0 / 5 from 780 ratings
No written reviews yet

When this device makes sense

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Product confidence

Reviews

4.0
(780 ratings)

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