OnePlus Watch

We had been expecting the launch of a smartwatch by OnePlus for a long time, and finally, the Chinese company presented its first wearable device at the same time as the new 9 series of its smartphones; the OnePlus Watch has a classic design and a competitive price, let’s see what our impressions are.

Package Contents

The sales package is very reminiscent of OnePlus smartphones but remains rather essential in terms of content. In fact, we find only the smartwatch and the cable with the magnetic base for charging, in addition to the usual user manuals. The charging base connects to the smartwatch via a pair of pogo-pins and requires a USB charger for connection to the mains.


The OnePlus Watch design is the classic one with a circular stainless steel case and a fluoroelastomer strap, an antiallergic plastic material. The case is 46.4mm in diameter and 10.9mm thick, with a device weight of 45g rising to 76g with the included strap.

The upper part is completely occupied by the 1.39 “AMOLED display with a resolution of 454 × 454 pixels and a density of 326ppi and protected by the glass (we do not know if it is Gorilla Glass or other) with 2.5D curvature. 

The inner face is instead covered in plastic and includes the aforementioned pogo-pins for recharging as well as optical sensors for measuring the heartbeat and oxygen in the blood. On the sides, we find instead two keys on the right (one with the name OnePlus imprinted) while on the left there is a microphone and system speaker.

The original OnePlus strap has the standard 22mm attachment, which means we can easily swap it with third-party straps to wear different colors or styles every time.

The choice of having a single size of the device, in particular the size that for other manufacturers is the largest, means that the OnePlus Watch can be seen as too large by a good slice of users, especially women. We would certainly have appreciated the availability of a 42mm case for those looking for more compact watches.


The large AMOLED display appears very bright and with vivid colors without being too saturated. We have the possibility to set the brightness automatically or to manually choose the intensity on a scale of five levels. 

On the other hand, the always-on display is absent to have all information constantly under control, certainly to reduce battery consumption; you will need to move your wrist to activate the screen whenever you want to see the time or other information available on the watch face.

In outdoor use, however, we recommend using a manual brightness level since the automatic one keeps the intensity a little too low and does not allow us to view the information at its best, especially in direct sunlight. No problem, however, by increasing the brightness to level 4 or 5.

OnePlus Watch is powered by the STM32 processor, a 32-bit chipset based on the energy-efficient Cortex-M architecture. We have 1GB of RAM and 4GB of internal memory, of which only 2GB is available to the user for storing music files, for example.


Connectivity includes Bluetooth 5.0 for stable connections with the smartphone, and localization with GPS, Glonass, Galileo, and BeiDou, while NFC is missing in the European version since no contactless payment system is supported.

The sensors instead include the now inevitable accelerometer, gyroscope, magnetometer, and barometer, in addition to the brightness sensor for automatic display adjustment and the PPG optical sensor for heart rate and SpO2 measurements.

Since this is a device designed to be used during all physical activities, the IP68 certification could not be missing as protection from dust and immersion in water up to 50 meters (5atm).

The 402mAh battery can guarantee up to 14 days of autonomy with typical use, which drop to about 5 days if you keep constant monitoring of heartbeat and blood saturation active. However, the recharge is very fast, and in just 5 minutes we have enough autonomy for a day while in 20 minutes we can fully recharge the watch.

Software, Applications, and Compatibility

Speaking of the software interface, the OnePlus Watch uses a proprietary operating system although the UI is quite classic and similar to that seen in other products. Unfortunately, however, we do not have compatibility with third-party applications, not even for the customization of the dials, so we will have to be content with what we find pre-installed.

About 110 different sports are supported, so we can say that practically any type of physical activity can be monitored and measured in a precise way, including swimming, of which the SWOLF is calculated, i.e. the combination of time taken and the number of strokes completed to cover some distance.

There is also the measurement of sleep, which seemed to us rather precise and detailed, and of stress, while some colleagues point out the absence of the tracking function of the female cycle.

The presence of a microphone and loudspeaker allows us to answer calls directly from the wrist, but as you can guess the quality of the conversations will certainly not be high. We can also receive smartphone app notifications and respond with predefined messages, but unfortunately (at least for now) the Italian language is not supported.

To connect to the smartphone and access the details of all the measurements we need to install the OnePlus Health app, available for Android on the Google Play Store. Compatibility is for Android 6.0 systems and above, so practically with almost all Android smartphones currently in use, it is not possible to pair the OnePlus Watch with an iPhone.


Overall we can say that the OnePlus Watch is a very well-finished device aesthetically and on which the company has placed the utmost care. The activity and sleep tracking features are definitely valid, but unfortunately, the lack of third-party apps and the lack of customization make it a fairly closed system, at least for the moment. 

We would certainly have appreciated the possibility of using a contactless payment system, but we realize that it is not easy if we do not rely on systems that already exist in our country. Last but not least, the lack of the Italian language is certainly penalizing the success of the product in our country: we hope that it can be added with a future firmware update.

OnePlus Watch: Availability and price

OnePlus Watch is available on the OnePlus website and on Amazon in Midnight Black and Moonlight Silver colors, at the recommended price of € 159.

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Abram left his e-business studies to devote himself to his entrepreneurial projects. In 2017, he created the company Inbound Media and wrote articles about high-tech products for his Chromebookeur site. In 2019, Chromebookeur was renamed Macbound and became a general purchasing advice site. Today, Abram manages the development and growth of Macbound, surrounded by a young and talented team.

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