OnePlus Watch 3 43mm

Name: OnePlus Watch 3 43mm
Brand: OnePlus
SKU: 5128

Manufacturer: OnePlus

The OnePlus Watch 3 43mm is a smartwatch designed to offer a blend of functionality and style. Featuring a 1.32″ OLED display, it delivers clear visuals while maintaining a lightweight design, weighing just 37.8g. The watch also includes a replaceable band, allowing for easy customization to suit your personal style.

In terms of performance, the OnePlus Watch 3 offers a range of sensors, including a heart rate monitor, GPS, and pulse oximeter. It supports Bluetooth 5.2 for connectivity and includes a 354mAh rechargeable battery that provides up to 2.5 days of use on a single charge. The watch is water-resistant with an IP67 rating, ensuring durability during everyday activities.

Pros

The watch offers a range of health tracking features including heart rate monitoring, blood oxygenation tracking, and VO2 max measurement.
It includes activity tracking for steps, distance, elevation, and even automatically detects activities.
The watch supports wireless NFC payments, providing convenient contactless payments.
With a 2GB RAM and 32GB internal storage, the watch offers substantial space for apps and data.
The device supports customizable features like silent alarms, vibrating alerts, and call control directly from the watch.

Cons

The watch does not offer compatibility with iOS, limiting integration with Apple devices.
It lacks a solar power battery, meaning it relies entirely on charging.
The watch does not have a 3.5mm audio jack or support external memory, limiting media options.
It does not support Wi-Fi connectivity, which could limit some online features or app syncing.
The device does not include a barometer, limiting its ability to measure atmospheric pressure for more advanced weather tracking.

Who is this for?

This product is ideal for users looking for a feature-rich fitness tracker with a focus on health and activity monitoring. It excels in tracking key health metrics such as heart rate, blood oxygen levels, and VO2 max, making it well-suited for fitness enthusiasts and athletes. Additionally, the inclusion of features like activity tracking, sleep reports, and water intake monitoring makes it perfect for those aiming to stay on top of their daily wellness. The device also benefits from a large internal storage capacity and the ability to control calls and notifications directly from the watch, which is convenient for users who want to manage notifications without constantly reaching for their phone.

Who is this NOT for?

This product may not be suitable for users who rely heavily on iOS or MacOS compatibility, as it does not support either platform. It also lacks features like solar charging, Wi-Fi support, and a 3.5mm audio jack, which could be limiting for users who need these functionalities for media consumption or additional connectivity. Moreover, its lack of specialized features like a barometer or advanced GPS capabilities makes it less appropriate for serious outdoor adventurers or users seeking more detailed environmental measurements during their activities.

Design:

screen size	1.32"
Display type	OLED/AMOLED
water resistance	Waterproof
ATM rating	5 ATM
Ingress Protection (IP) rating	IP67
Always-On Display	✓
pixel density	352 ppi
resolution	466 x 466 px
Watch band is replaceable	✓
has branded damage-resistant glass	✕
thickness	11 mm
weight	37.8 g
height	43.2 mm
width	43.2 mm
Has a display	✓
has a touch screen	✓
Has sapphire glass display	✕
volume	20.52864 cm³
is designed for kids	✕

The design of the OnePlus Watch 3 43mm combines sleek aesthetics with practical features. It boasts a 1.32″ OLED display with a resolution of 466 x 466 px, providing clear visuals and a pixel density of 352 ppi. The watch is water-resistant with an IP67 rating and can withstand depths up to 5 ATM. It also features an always-on display for continuous viewing, a replaceable band for customization, and weighs only 37.8g, offering a lightweight experience. The watch measures 43.2mm in height and width, with a thickness of 11mm.

Sensors:

Monitors blood oxygenation levels	✓
Has a heart rate monitor	✓
has GPS	✓
has an accelerometer	✓
Has a temperature sensor	✕
has a compass	✓
Has a barometer	✕
has a gyroscope	✓
Has a cadence sensor	✕
Monitors perspiration	✕

The OnePlus Watch 3 43mm comes equipped with a variety of sensors to enhance its tracking capabilities. It includes a heart rate monitor, a pulse oximeter for blood oxygenation levels, and a GPS for accurate location tracking. Additionally, the watch features an accelerometer, a compass, and a gyroscope to support various movement and orientation measurements. However, it does not include a body temperature sensor, barometer, cadence sensor, or perspiration monitor.

Activity tracking:

Tracks your sleep	✓
Tracks distance	✓
Tracks steps taken	✓
Measures pace	✓
Provides sleep reports	✓
Detects activities automatically	✓
Has a route tracker	✓
Tracks elevation	✓
Has multi-sport mode	✕
Has exercise tagging	✓
Tracks calorie intake	✓
Designed for diving	✕
Designed for golf	✕

The OnePlus Watch 3 43mm offers comprehensive activity tracking features to help monitor various aspects of physical health. It tracks steps taken, distance, and elevation, while also measuring pace and detecting activities automatically. The watch supports sleep tracking and provides detailed sleep reports, and includes a route tracker for outdoor activities. Additionally, it offers exercise tagging and tracks calorie intake, but it does not include multi-sport mode, diving, or golf-specific features.

Connectivity:

has a cellular module	✕
Is compatible with iOS	✕
Is compatible with Android	✓
Bluetooth version	5.2
supports Wi-Fi	✕
Wi-Fi version	Wi-Fi 4 (802.11n)
supports ANT+	✕
has NFC	✓
supports Galileo	✓

The OnePlus Watch 3 43mm offers several connectivity features, including Bluetooth 5.2 for seamless pairing with devices. It supports NFC for quick contactless transactions and is compatible with Android smartphones. The watch also includes Wi-Fi 4 (802.11n) support, although it does not have cellular capabilities, Wi-Fi toggling, or support for ANT+ devices. Additionally, it supports the Galileo satellite system for enhanced location tracking.

Battery:

battery life	2.5 days
battery power	354 mAh
battery life in training mode	36 hours
charge time	1 hours
battery life in power save mode	168 hours
has wireless charging	✕
has a rechargeable battery	✓
Has a solar power battery	✕
has a removable battery	✕

The OnePlus Watch 3 43mm is equipped with a 354 mAh rechargeable battery, offering a battery life of up to 2.5 days under regular usage. In training mode, the battery lasts for up to 36 hours, while in power save mode, it can last up to 168 hours. The watch does not support wireless charging or a solar power battery, and its battery is not removable. Charging the battery takes just 1 hour to reach a full charge.

Features:

release date	July 2025
has HRV tracking	✓
measures VO2 max	✓
measures resting heart rate	✓
has fast/slow heart rate notifications	✓
shows readiness level	✓
Can be used to answer calls	✓
Has call control	✓
Has notifications	✓
has irregular heart rate warnings	✕
Has ECG technology	✕
Has silent alarm	✓
Has vibrating alerts	✓
has fall detection	✕
Has a stopwatch	✓
Has smart alarm	✕
has voice commands	✓
RAM	2GB
internal storage	32GB
Has a built-in camera remote control function	✓
Acquires GPS faster	✕
has a front camera	✕

The OnePlus Watch 3 43mm offers a range of advanced features to support health and convenience. It includes HRV tracking, VO2 max measurement, and a resting heart rate monitor. The watch also provides fast/slow heart rate notifications and a readiness recovery feature to track your fitness progress. In addition, it supports call control, wrist notifications, a silent alarm, vibrating alerts, and a built-in camera remote control. However, it does not include ECG technology, fall detection, or a smart alarm.

App & Software:

Provides activity reports	✓
Has inactivity alerts	✓
Counts how many calories you've burned	✓
Has goal setting	✓
Has achievements	✓
Has barcode scanner on app	✕
Tracks water intake	✓
Has weight tracking	✓

The OnePlus Watch 3 43mm integrates with an app that provides a range of features to support fitness and health tracking. It offers activity reports, tracks calories burned, and provides goal setting and achievements to keep you motivated. Additionally, the watch includes water tracking and weight tracking features, and alerts you with inactivity reminders. However, it does not support a barcode scanner within the app.

Miscellaneous:

has a battery level indicator	✓
Is compatible with Windows	✕
has an external memory slot	✕
Is compatible with Mac OS X	✕
has a socket for a 3.5 mm audio jack	✕

The OnePlus Watch 3 43mm includes a battery level indicator to keep track of the remaining charge. However, it does not support external memory, a 3.5mm audio jack, or compatibility with Windows or Mac OS X systems.

Final Verdict

The product is a solid choice for those looking for a comprehensive fitness tracker with advanced health monitoring capabilities. With features like heart rate, blood oxygen tracking, and VO2 max measurement, it stands out as a reliable companion for fitness enthusiasts and athletes. The inclusion of robust activity tracking, sleep reports, and goal setting further enhances its appeal for users focused on overall wellness. However, its limitations in platform compatibility and lack of certain outdoor-specific features might make it less suitable for users with more specialized needs. Overall, it's a strong contender for anyone primarily interested in health and fitness tracking.