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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 offers
  • 7-day battery life
  • Size: 4 variants
Price range €177
Customer rating 3.9 776 ratings

Available offers (5)

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Offer comparison

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Feature Silver Size 8 Black Size 10 Silver Size 11 Black Size 8 Silver Size 9
Price €177.09 €177.09 €177.09 €177.09 €177.09
Updated Sep 22, 2026 Sep 22, 2026 Sep 22, 2026 Sep 22, 2026 Sep 23, 2026
Availability Available to order Available to order Available to order Available to order Available to order
Size 8 10 11 — 9
Color Silver Black Silver Black Silver

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TIAZUUX Smart Ring Size First - Sizing Kit recommended
Brand RENPHO POBOVi Victormont Oura Oura TIAZUUX
Model R-MZW01 POBOVi_SR1 Gen-11 JZ90-54217-10 JZ90-54144-11 Smart Ring
Color
Rating
(776)
(791)
(3)
(9247)
(9247)
(5)
Price €177.09 €1.16 €88.98 €310.58 €310.58 €53.39
Seller Retailer Retailer Retailer Retailer Retailer Retailer
Update Jun 19, 2026 May 27, 2026 Mar 21, 2026 Jun 24, 2026 Mar 21, 2026 May 3, 2026
Size 8 10 11
Width 0.71 inches 1.0629921249 inches 1.1023622036 inches
Height 0.12 inches 0.2755905509 inches 0.2755905509 inches
Length 0.71 inches 1.0629921249 inches 1.1023622036 inches
Battery Life 7 days 20 days with wireless charging case Up to 8 days 5 to 8 days
Item Weight 2.89 ounces 5.3 ounces 2.9 Grams
Compatibility iOS, Android Android, iOS iPhone, Android

When this device makes sense

Sleep Wearable Form Factor

Sleep Wearable Form Factor

Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Ring vs Tracker

Ring vs Tracker

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Wearable fees

Wearable fees

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Product confidence

Reviews

3.9
(776 ratings)

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