REWSX Smart Ring, Rose Gold, Size 11

REWSX smart ring is a screen-free Bluetooth fitness and sleep tracker in rose gold, size 11. It is listed with heart-rate, blood-oxygen, sleep and activity tracking, plus a charging case and app access without subscription fees.

At a glance

Listing claims sleep tracking, heart rate, blood oxygen, HRV, steps and multiple sport modes, with app-based data viewing.
The seller claims app access without subscription fees.
The feature description claims 3-5 days of ring battery life after a 2 hrs charge, plus a 400 mah case claimed to recharge it about 15 times.

Price

$50.13Save 15%

Reference price: ~~$58.98~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

No-display ring design keeps tracking and app information separate from a wrist-mounted screen.
The listed tracking set covers sleep, heart rate, blood oxygen and daily activity.
The claimed free charging case and subscription-free app may suit buyers looking to avoid frequent recharging and recurring app fees.

Cons

There is no display on the ring, so the listing directs users to a phone app to view tracking data.
A suitable finger size matters for fit, and the listing recommends a sizing kit before purchase.

Technical specifications

16 specifications

Identity and fit
Brand	REWSX
Model	smart ring
Color	Rose Gold
Ring size	11#
Form factor	Round

Display and connectivity
Screen	No Display
Wireless connection	Bluetooth
Compatible phone models	Android Devices, iOS Devices
Operating system listed	Android Wear 2.9

Tracking and features
Listed metrics	Heart Rate Monitor, Blood Oxygen Monitor, Sleep Duration
Additional features	Activity Tracker, Lightweight, Multisport Tracker, Sleep Monitor, Slim Design
GPS	GPS Via Smartphone

Power and protection
Battery type	Lithium Ion
Water resistance listed	Waterproof
Water resistance rating	IP68
Listed water resistance depth	50 meters

What to know before buying

Listing details to confirm

The listing describes battery life as 3-5 days after a 2 hrs charge and separately claims about 15 ring charges from the 400 mah case. These are manufacturer claims, not verified runtime figures. The listing also gives Android 4.4 / iOS 8.4 or above in a feature description, but lists Android Wear 2.9 as the operating system, so confirm phone and app compatibility. It recommends confirming finger size with a sizing kit or matching the US ring size. Water resistance is claimed as IP68 and 50 meters, but these descriptions do not establish identical usage conditions. Warranty details conflict between “2 Year Manufacturer” and “Lifetime,” so coverage is unconfirmed.

What’s in the box

Smart ringIncluded
Charge cableIncluded
Charge caseIncluded
User manualIncluded
400 mah charging caseCheck selected pack
Magnetic USB charge cableCheck selected pack
Type C charge cable for caseCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Buyers who want sleep and activity tracking in a screen-free ring and are comfortable checking results on a compatible phone.
People seeking a ring-style tracker with a claimed charging case and no app subscription fee.

Less suited to

Buyers who need live information directly on a wearable display.
Anyone who needs confirmed phone compatibility, runtime or warranty terms before deciding without contacting the seller.

REWSX Smart Ring, Rose Gold, Size 11 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 64 ratings

5 stars80%80%
4 stars10%10%
3 stars4%4%
2 stars6%6%
1 star0%0%

Customer feedback reports favorable impressions of the design and comfort, and says sleep and heart-rate tracking work effectively. Battery life and functionality are also praised, though these perceptions do not verify the listing’s battery claims or measurement accuracy. A favorable overall rating distribution suggests many positive experiences, but some lower ratings mean results may vary. The screen-free design makes comfort and checking data through the phone especially relevant.

Positive themes

Customers describe the ring as comfortable and like its design.
Customer feedback praises sleep and heart-rate tracking, functionality and battery life.

Frequently asked questions

Does the ring have a display?

No. The listing specifies “No Display” and describes viewing health and activity data in a phone app.

Does it require an app subscription?

The seller claims lifetime free access to the health app without subscription fees.

How long does the battery last?

The feature listing claims 3-5 days after a 2 hrs charge and says the 400 mah case can recharge the ring about 15 times. Treat these as manufacturer claims, not independently verified runtime.

What should I know about sizing and compatibility?

The listing says it follows US ring sizing and recommends a sizing kit. It claims Android 4.4 / iOS 8.4 or above compatibility, while the technical details also list Android Wear 2.9, so confirm the specific phone and app support.