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MadTech Staff

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OnePlus unveils its latest flagship smartwatch: OnePlus Watch 3 

Offering exceptional battery life, new health monitoring capabilities and advanced fitness tracking, powered by Wear OS 5 by Google 

Global technology brand OnePlus today launched its latest flagship smartwatch, the OnePlus Watch 3 in Europe and North America. Building upon the impressive performance, long-lasting battery life, and premium design of its predecessor, the OnePlus Watch 3 takes it a step further. Powered with the latest version of Wear OS by Google (Wear OS 5), it continues to offer one of the best battery life in the android wear market with an enduring 16-day battery life in power saver mode, 5-day battery life in smart mode and features an incredibly fast 10-minute charge that powers the watch for a full day of use(1, 2, 3, 4, 5). The watch also brings new health monitoring capabilities, including the 60s Health Check-In(6), which tracks key health metrics like heart rate, SpO2, ECG(7), vascular health(8), wrist temperature, sleep, and both physical and mental wellbeing. 

Fitness tracking is enhanced with improved accuracy, thanks to a new dual-frequency GPS (GNSS) chip, which ensures faster, more accurate tracking in comparison to its predecessor, during outdoor activities, such as running. The watch also supports over 100 sports modes, and provides detailed insights into fat-burning efficiency, workout intensity, and exercise effectiveness. Available in two stunning colours – Emerald Titanium and Obsidian Titanium, the premium design is packaged with durable materials such as stainless-steel body, titanium PVD bezel and 2D sapphire crystal display. For the first time, a functional rotating crown has been added for conveniently controlling various functions, enabling seamless and intuitive interactions. 

“The OnePlus Watch 3 is a true embodiment of our Never Settle philosophy, reflecting our unwavering dedication to advancing wearable technology. While the previous generation set a new standard for battery life, battery performance remains a top priority for our users, as prolonged usage impacts the effective and accurate tracking of data. That is why we’ve raised the bar, offering improved battery life to meet the evolving demands of our community. We have also introduced a 60s Health Check-in, a quick and easy way to perform basic health monitoring. With enhanced health monitoring, advanced fitness tracking and unstoppable battery, the OnePlus Watch 3 is the ultimate companion for a healthier lifestyle.” – said Justin Liu, Head of Wearable Product Line, OnePlus. 

Dual-Engine Architecture, Long-Lasting Battery Life 

OnePlus Watch 3 pushes the limits in both battery life and performance. It lasts up to 3 days in heavy-use mode, up to 5 days in smart mode, and an impressive 16 days in power-saving mode(1,2,3). 

This has been made possible due to several factors. Firstly, the battery capacity has been increased to 631mAh. Secondly, it is equipped with the OnePlus Silicon NanoStack Battery, the same groundbreaking technology used in the latest flagship smartphone, the OnePlus 13, which significantly boosts energy density for long-lasting power within a slim design. The OnePlus Watch 3 also comes with the all-new BES2800 chipset, built on advanced 6nm FinFET, delivering an overall improvement in CPU performance and in NPU processing

power compared to its predecessor. This upgrade not only enhances its operating speed but also significantly reduces power consumption, resulting in extended battery life. 

Furthermore, OnePlus’ self-developed Dual-Engine Architecture, powered by two different flagship chipsets — the Snapdragon W5 performance chipset and the new BES2800 MCU Efficiency chipset, also plays its part. The BES2800 Efficiency Chipset runs RTOS and handles background activity and tasks, while the Snapdragon W5 manages powerful tasks, such as running Google apps. This optimized approach, enabled by the Wear OS hybrid interface, allows OnePlus Watch 3 to seamlessly manage two chipsets while switching between the two wearable operating systems. This architecture strikes the perfect balance between peak performance and extended battery life, ensuring an optimized user experience across various usage scenarios. Therefore, the synergy of hardware and software elevates OnePlus Watch 3 to new levels of efficiency and endurance. 

Health Tracking Made Simple and Smart 

OnePlus Watch 3 brings a complete upgrade to its health monitoring capabilities. A key highlight of the device is the 60S Health Check-In, a fast and convenient tool for a quick health assessment. By simply pressing your finger on the All-in-One Scan button located on the side of the watch, you can receive a detailed health report in just 60 seconds (6,9). This report includes seven important health metrics, such as heart rate, electrocardiograph (ECG) (7), blood oxygen levels, mental wellness, wrist temperature, sleep quality, and vascular age (8). 

Cardiovascular health plays a crucial role in maintaining the proper function of the body’s circulatory system and has a significant impact on overall well-being. The OnePlus Watch 3 prioritizes heart health and is equipped with an enhanced photoplethysmography (PPG) sensor which includes an eight-channel heart rate sensor, along with new curved strap design that enhances the wraparound fit, delivering accuracy in heart rate detection. Its single-lead ECG feature can detect atrial fibrillation, sinus rhythm, high and low heart rates, and extreme heart rate fluctuations, providing robust protection for heart health. 

OnePlus Watch 3 also focuses on vascular health(8), a fundamental health indicator, enabling users to easily compare their vascular condition with age-based benchmarks. The OnePlus Watch 3 utilizes ECG and PPG technology, assessing vascular elasticity and associated risks. This helps in identifying risks associated with arterial stiffness. 

In addition, OnePlus Watch 3 introduces 360 Mind and Body, a feature that empowers users to gain a better understanding of their physical and mental well-being through multi-dimensional data analysis. Utilizing key metrics such as HRV (Heart Rate Variability), resting heart rate, and activity intensity, OnePlus Watch 3 employs advanced health algorithms to analyse the data trends and deliver a comprehensive assessment of emotional and stress levels. The watch’s intuitive interface features a dynamic emoji that reflects the user’s mind and body states, encouraging balance and a healthier lifestyle. Furthermore, leveraging insights into emotional and stress conditions, the watch recommends breathing practice for relax. 

Enhanced Fitness Monitoring

With its cutting-edge sensor and upgraded algorithms, OnePlus Watch 3 offers an enhanced sports tracking experience. The all-new dual-frequency GPS ensures faster, more accurate outdoor activity tracking. This includes accuracy in tracking distance and trajectory to ensure accuracy in route tracking. Notably, for specific environments like running tracks, OnePlus Watch 3 can deliver optimized and impressive performance. 

OnePlus Watch 3 supports over 100 sports modes including running, walking, cycling, swimming, hiking, skiing, tennis, badminton, table tennis, soccer, basketball, boxing, and yoga, catering to diverse fitness needs. It includes 11 professional modes for more comprehensive data tracking, such as the upgraded running mode, which monitors performance and posture across various running scenarios. More than that, it also evaluates fat and carbohydrate consumption in heart rate zones, providing detailed insights into fat-burning efficiency, workout intensity, and exercise effectiveness. This helps users manage exercise intensity, stay within optimal ranges, and fine-tune workouts for safe, effective results. By understanding fat and carb usage, users can better evaluate workout efficiency, especially for weight-loss-focused exercises. 

Seamless ecosystem integration with Wear OS 5 

The OnePlus Watch 3 runs the latest version of Wear OS, which brings updates to essential Google apps. Users can also seamlessly switch their watch to a new phone without resetting. Gmail on WearOS 5 now supports email sync and reply functions, making it easier to handle emails. Google Wallet now supports boarding passes, making travel more convenient(10,11,12). 

Effortless connectivity within the OnePlus ecosystem. 

When paired with the OnePlus smartphones, the OnePlus Watch 3 can also be easily used to remotely control OnePlus phones to play videos (supports Tik Tok, YouTube Shorts), and the phone’s camera(13,14). 

Premium Design and Military-Grade Durability 

The OnePlus Watch 3 boasts a sleek round design, crafted from durable stainless steel for a classic and premium look. Its Titanium PVD (Physical Vapor Deposition) bezel adds a polished shine while offering excellent corrosion resistance. The 1.5-inch LTPO flexible display is made of 2D Sapphire Crystal, ensuring superior durability for everyday wear and providing a brighter screen. Built to the MIL-STD-810H military standard, the watch can endure challenging conditions and environmental stress. With an IP68 rating(15) and 5ATM (16) water resistance, it performs reliably whether you’re at the beach, in the desert, or swimming. 

In addition, the OnePlus Watch 3 features a redesigned rotating crown, offering users a smooth and intuitive way to navigate through various functions for a seamless experience. 

Price and Availability 

The OnePlus Watch 3 is priced at £319 and available for pre-order on 18 February, with open-sales starting from April 2025. Offer and discount information below.

Warranty plans and after-sales programs are subject to terms and conditions specific to the region of purchase.