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Product guide

Acmoy Smart Ring AC01, Gold, Size 10

Gold Size: Acmoy Smart Ring AC01 is a screen-free Bluetooth wearable for health and activity tracking. It lists heart rate, blood oxygen, stress, sleep, and step metrics, with a charging case in the stated package. The listing calls for sizing before purchase and gives different battery-duration claims for regular use and standby.

At a glance

Screen-free design connects to a phone over Bluetooth for syncing and viewing tracked information in the app.
Listed measurements include heart rate, SpO2, stress, sleep duration, and steps.
The listing claims 3-5 days of regular use and 5-7 days in standby, while its specification table separately states 5 days.
The manufacturer claims IP68 water resistance and also lists a 30 meters water resistance depth.

Price

$41.64Save 24%

Reference price: ~~$54.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

A screen-free ring keeps tracking hardware in a compact wearable form without a display to check during the day.
The stated tracking scope covers sleep, activity, heart rate, blood oxygen, and stress in one device.
The listed kit includes both a portable charging case and a charging cable.

Cons

No onboard GPS is listed, so the ring is not presented as independently recording location.

Technical specifications

23 specifications

Identity
Brand	Acmoy
Model	Smart Ring AC01
Color	Gold

Display and video
Screen technology listed	Screen-free

Connectivity and compatibility
Wireless connection listed	Bluetooth
Operating systems	Android 8.0+, Apple iOS 10.0+, HarmonyOS
Compatible devices	Smartphone, Tablet

Tracking and activity
Metrics measured	Blood Oxygen (SpO2), Heart Rate, Sleep Duration, Step Count, Stress
Special features	Activity Tracker, Custom Activity Tracking, Cycle Tracking, Daily Workout Memory, Multisport Tracker
Sports listed	Fitness, Multi-Sports, Running, Swimming, Yoga
GPS	No GPS

Power and battery
Battery life listed	5 days
Battery capacity	20 milliamp_hours
Battery type	Lithium Ion
Charging time	1 hours

Dimensions and installation
Form factor	Round

Materials and protection
Water resistance listed	Waterproof
Water resistance depth	30 meters
Waterproof rating	IP68

Computing specifications
Storage listed	4 MB
RAM listed	64 KB

Warranty
Warranty type	Limited warranty
Warranty description	1 Year Manufacturer

What to know before buying

Sizing is important for fit and sensor contact. The listing recommends a separate Acmoy sizing kit and wearing a sizing ring for 24+ hours before choosing a size.

Listing details to confirm

The battery claims are inconsistent: the specification lists 5 days, while feature text claims 3-5 days in regular use and 5-7 days in standby. The 30 meters depth claim and IP68 rating are also stated separately without clarifying their relationship. Blood oxygen and stress monitoring require manual activation in the app, and Bluetooth must remain enabled for syncing. The manufacturer's water guidance also advises drying the finger and ring after wet wear.

What’s in the box

Included

Acmoy Smart Ring
Charging cable
Portable charging case
User manual

Who is it for?

A good fit for

Buyers who want a screen-free wearable for everyday activity and sleep tracking with phone-app syncing.
People using a compatible Android, iOS, or HarmonyOS device who want to track several wellness metrics from a ring.

Less suited to

Buyers who need GPS tracking from the wearable itself.
Anyone who needs a dependable battery runtime or clearly specified water-use limits before purchase.

Acmoy Smart Ring AC01, Gold, Size 10 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 99 ratings

5 stars61%61%
4 stars23%23%
3 stars7%7%
2 stars1%1%
1 star8%8%

Customer feedback describes the ring as attractive and functional, with positive comments about value. Battery experience is mixed: some report several days of use, while others mention charging-case problems. That matters because the listing includes a case and makes multiple runtime claims, but neither the feedback nor listing guarantees a consistent charging experience.

Positive themes

Customers describe the ring as attractive and say it works well.
Some customer feedback considers it good value for money.

Mixed feedback

Battery feedback varies, including reports of several days of use and concerns about the charging case.

Frequently asked questions

Which phones does the Acmoy Smart Ring AC01 support?

The listing names Android 8.0+, Apple iOS 10.0+, and HarmonyOS. It connects over Bluetooth and requires the app for syncing.

Does the ring have GPS?

No GPS is listed. The available details do not describe independent location tracking.

How long does its battery last?

Claims differ. The specification says 5 days, while feature text gives 3-5 days of regular use and 5-7 days in standby. Actual runtime is not established by those claims.

What is included in the package?

The stated contents list the Acmoy smart ring, charging cable, portable charging case, and user manual.

What should I know about water resistance?

The listing gives an IP68 rating and separately claims a 30 meters depth. It advises briefly removing or shifting the ring after wetting to let skin breathe, and drying both finger and ring before wearing again.