Fitbit Sense 2
The Sense 2 will be Fitbit’s next premium smartwatch with the most advanced sensors. Publicly available images from a regulatory agency show how it has the same overall design as the 2020 generation. It’s still a round, cobbled square, but Fitbit did something quite stylish with the frame.
In the original Sense, there is a “polished stainless steel ring” surrounding the screen where you rest your fingers (for 30 seconds) when using an ECG (electrocardiogram) app to take AFib readings. Fitbit appears to have integrated this surface into and under the glass cover so that it seamlessly blends into the bottom case. You can see the sensor is a color lighter than the screen at an angle and subtly gives a cleaner look.
Fitbit Sense (top left) vs. Sense 2
Another big hardware difference is how there is a physical button (on the left edge) that appears to be physically pressed when clicked. Some users did not like the indented solid-state “button” of the original that only vibrates when pressed, claiming that it is difficult to click. (I thoroughly enjoyed it since there was less moving part to break, but my colleague Ben Sean wasn’t impressed, often finding the button completely unresponsive.)
Meanwhile, the lower side goes in the direction of the design opposite to the upper surface. Instead of a continuous bottom piece for the “bio-sensor core,” note how the internal cutouts (and the charging angle pins) are enclosed in two raised metal brackets. It is unclear whether this adds a new sensing capability or improves an existing one.
Fitbit Sense vs Sense 2
From this bottom view, we also see signs that the Fitbit Sense 2 will offer ECG detection, temperature sensor, GPS, and water resistance of up to 50 metres.
Fitbit Versa 4
We’ve also had a look at the Versa 4 from the same source, presumably the mainstream Fitbit smartwatch. From the markings on the case back, we learn that there is no ECG or temperature tracking, just a microphone to support Google Assistant and other use cases like snoring detection, as well as GPS and water resistance to 50 metres. The design, including its button, is mostly unchanged from the Sense 2, as Fitbit appears to be using the same magnetic charger as before on both new watches.
It’s not clear when the Fitbit Sense 2 or Versa 4 will be released, but the devices are clearly making their way through the regulatory process. Since the spring window has passed, late summer/early fall is a potential period to put these wearables into the holiday shopping season. However, this means that this Fitbit lineup will compete with the Pixel Watch when it launches alongside the Pixel 7 in the fall.
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