FOSMET D43B Smartwatch, 1.43-inch AMOLED, GPS

The FOSMET D43B is a round smartwatch listed with a 1.43-inch AMOLED screen, built-in GPS, Bluetooth calling, and wellness tracking. Its stated outdoor and workout features may suit buyers who want navigation and fitness tools on the wrist, but the listing gives conflicting battery-capacity figures and does not confirm offline-map operation details.

At a glance

The listing claims built-in dual-band GPS and route tracking, plus altitude, air-pressure, and compass information.
The 1.43-inch AMOLED touchscreen is listed at 466 x 466 resolution, with an always-on display claim.
Bluetooth calling and local music storage are listed alongside compatibility with Android and iOS.
Health features listed include heart-rate, blood-oxygen, sleep, and pressure monitoring.

Price

$99.99Save 50%

Reference price: ~~$199.00~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Combines built-in GPS and outdoor navigation claims with more than 178 sports modes, supporting activity tracking without relying solely on phone-based location.
The AMOLED touchscreen, listed resolution, and always-on display offer clear display details for buyers comparing screens.
Bluetooth calling and 2 GB of listed storage for local music add wrist-based communication and listening options.

Cons

The listing's two battery-capacity claims disagree, so battery endurance is difficult to assess from the supplied information.

Technical specifications

25 specifications

Identity
Brand	FOSMET
Model	D43B

Display and video
Screen size	1.43 inches
Screen technology listed	AMOLED
Resolution	466 x 466
Always-on display	AOD

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	Touchscreen
Operating system compatibility	Android & iOS

Navigation and activity
GPS	Built-in GPS
Sports modes	178+ Sports Modes
Water resistance rating	5ATM
Listed water-resistance depth	50 meters

Health and wellness
Metrics measured	Heart rate/Blood oxygen/Sleep monitoring/Pressure monitoring

Power and battery
Battery type	Lithium Ion
Battery capacity in details	1000 milliamp_hours
Battery capacity in feature claim	550mAh
Claimed active-use battery life	up to 7-10 days of active daily use
Claimed charging time	2.5 hours

Dimensions and installation
Form factor	Round
Weight listed	0.27 g
Band material	Silicone
Clasp	Buckle

Materials and protection
Water resistance listed	Waterproof

Computing specifications
Storage listed	2 GB

What to know before buying

Listing details to confirm

The listing is inconsistent about battery capacity, giving both 1000 milliamp_hours in product details and 550mAh in feature copy. Its 7-10-day active-use claim is not independently established. GPS and local-map features are claimed, but offline-map availability and operation are unconfirmed. The listing also calls the watch waterproof while giving a 5ATM rating and 50-meter depth. Confirm the exact specifications and use limits before relying on these claims. The listed weight of 0.27 g is also unusually presented and remains unconfirmed.

Who is it for?

A good fit for

Buyers seeking a smartwatch that lists built-in GPS, route tracking, a compass, and outdoor activity modes.
Users who want Bluetooth calling, phone notifications, and local music storage in a watch listed as compatible with Android and iOS.
People comparing watches with AMOLED displays and heart-rate, blood-oxygen, sleep, and pressure tracking.

Less suited to

Buyers who need confirmed battery capacity, dependable battery-life expectations, or clearly specified offline-map behavior before purchasing.
Anyone needing cellular connectivity independent of a paired phone. The listed connection is Bluetooth.

FOSMET D43B Smartwatch, 1.43-inch AMOLED, GPS · photo 2 — Additional product photo 2

Customer reviews on Amazon

5 / 5 · 15 ratings

5 stars100%100%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied information contains aggregate ratings but no customer-comment summary. The ratings are uniformly five-star in a small sample, which is a positive but limited signal and does not identify specific strengths, concerns, or performance reasons. Consider it alongside the listing's unresolved battery and offline-map details.

Frequently asked questions

Does the FOSMET D43B have built-in GPS?

Yes. The listing claims built-in, dual-band GPS and describes route tracking, altitude, air-pressure, and compass data. Specific offline-map availability and operation are not confirmed.

What is the display specification?

The listing gives a 1.43-inch AMOLED display with 466 x 466 resolution and an always-on display claim.

How long does the battery last?

Feature copy claims up to 7-10 days of active daily use, but the listing gives conflicting capacity figures of 550mAh and 1000 milliamp_hours. Treat the runtime claim cautiously.

Can it be used for swimming?

The listing claims a 5ATM rating and 50-meter water-resistance depth, and mentions swimming among supported activities. The supplied information does not clarify operating limits, so check the manufacturer's guidance before water use.

Does it support Android and iPhone?

The listing specifies Android and iOS compatibility and Bluetooth connectivity. It does not list cellular connectivity.