TIMU S90-WYL-8US-BK Bluetooth Smartwatch, 1.45-Inch AMOLED

Inch: The TIMU S90-WYL-8US-BK smartwatch pairs Bluetooth calling and fitness tracking with a round AMOLED display. Its listing promotes 114+ sports modes, but lists water resistance as “Not Water Resistant” and GPS as absent, so it is better suited to everyday connected use than independent outdoor navigation or water activities.

At a glance

Bluetooth calling and smartphone notifications are promoted, alongside a built-in voice assistant.
The listing claims a 1.45-inch AMOLED display with 360x360 resolution and adjustable brightness.
Health tracking claims cover heart rate, blood oxygen and sleep, with 114+ sport modes.
The listing advertises up to 7 days of regular use and 30 days on standby. These are separate usage claims.

Price

$35.99Save 72%

Reference price: ~~$129.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Bluetooth calling and smartphone notifications can keep basic communication accessible from the wrist.
The listed health metrics and broad set of sports modes provide several activity-tracking options.
Compatibility is stated for Android 6.0+ and iOS 9.0+ devices.

Cons

No built-in GPS is listed, limiting the watch's ability to provide independent location tracking.

Technical specifications

21 specifications

Identity
Brand	TIMU
Model	S90-WYL-8US-BK

Display and video
Screen size	1.45 inches
Screen technology listed	AMOLED

Connectivity and controls
Wireless connection listed	Bluetooth
Bluetooth version claimed	Bluetooth 5.3
Operating system compatibility	Android 6.0+ or iOS 9.0+
Input	Touchscreen

Power and battery
Battery capacity	450 milliamp_hours
Battery type	Lithium Ion
Battery life claimed	30 days of standby time and up to 7 days of regular use
Charging time claimed	1.5 hours

Dimensions and installation
Form factor	Round

Materials and protection
Water resistance listed	Not Water Resistant
Case material claimed	aerospace-grade aluminum alloy
Display glass claimed	tempered TP glass

Tracking and functions
GPS	No GPS
Health metrics listed	Heart Rate, Blood Oxygen
Sports modes claimed	114+ sport modes
Additional features listed	Activity Tracker/Alarm Clock/Calendaring/Camera/Cycle Tracking/Music Player/Notifications
Flashlight claimed	0.5W flashlight with a 6-10 meter range

What to know before buying

Listing details to confirm

The specification table says “Not Water Resistant,” which conflicts with the title's IP68 claim and makes water use unclear. Listing details are contradictory or unconfirmed: the title claims IP68 and a 1.39-inch display, while specifications state “Not Water Resistant” and 1.45 inches. The feature copy also gives 360x360 resolution and 60Hz refresh rate, which are not confirmed in the specifications. GPS is listed as absent, and battery endurance is described separately as 30 days standby and up to 7 days regular use. Confirm the selected listing details before relying on water protection, display dimensions or other disputed claims.

Who is it for?

A good fit for

People seeking a Bluetooth-connected watch for calls, notifications and everyday fitness tracking.
Users who want a round display and multiple sport-tracking modes, and can rely on a phone for GPS.

Less suited to

Swimmers or buyers who need clearly confirmed water protection.
Buyers who need built-in GPS for location tracking without a phone.

TIMU S90-WYL-8US-BK Bluetooth Smartwatch, 1.45-Inch AMOLED · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.9 / 5 · 78 ratings

5 stars90%90%
4 stars7%7%
3 stars3%3%
2 stars0%0%
1 star0%0%

Aggregate ratings are strongly positive, though a small share fall into the three-star category. Ratings alone do not identify what buyers liked or disliked, so they cannot establish call quality, tracking accuracy, battery life or durability. Consider the listed features and the unresolved water-resistance and display-size discrepancies for your intended use.

Frequently asked questions

Does the TIMU S90-WYL-8US-BK have GPS?

The specifications say “No GPS.” Buyers needing independent location tracking should choose a watch with confirmed built-in GPS.

Is this smartwatch water resistant?

The listing conflicts: its title claims IP68, while the specifications say “Not Water Resistant.” Water protection is therefore not confirmed by the supplied information.

How long does the battery last?

The feature copy claims 30 days of standby time and up to 7 days of regular use. These refer to different operating conditions, and the listing does not provide further details about how usage affects runtime.

Which phones are compatible?

The listing states compatibility with Android 6.0+ or iOS 9.0+ smartphones.