Temple Wearable Is Now Less Than Half the Size: Deepinder Goyal Reveals a Much Smaller Device
The latest Temple wearable has been dramatically miniaturised, according to Deepinder Goyal, who says the new version is now less than half the size of the earlier device.
Wearable technology has spent years getting smaller. Smartwatches became thinner, fitness trackers became lighter and sensors that once required bulky equipment gradually found their way into tiny consumer devices.
But Temple is taking that idea in a very different direction.
The wearable, developed by Deepinder Goyal's health-tech venture, is designed to sit on the side of the forehead near the temple rather than on the wrist like a conventional smartwatch.
That unusual design has already attracted significant attention. Temple became even more widely discussed after Indian badminton star PV Sindhu was seen wearing the small device during the 2026 BWF World Championships in New Delhi.
Now the company has another headline-making update: the hardware has become dramatically smaller.
Temple Is Now Less Than Half the Size
On August 21, 2026, Deepinder Goyal shared a new update about Temple on X, formerly known as Twitter.
The central announcement was simple but significant: the newest version of the device is now less than half the size of what had been shown previously.
“Temple is now less than half the size of what you've seen so far.”
Goyal went a step further and said that, by volume, Temple is now the smallest wearable on the market.
He also described the redesigned device as the most powerful Temple yet and said that the company is getting ready to begin taking pre-orders for a limited launch edition.
The “smallest wearable on the market” statement is Deepinder Goyal's claim. Exact dimensions for the redesigned Temple have not yet been publicly released, so the claim should not be presented as an independently verified industry measurement.
Why the Size Reduction Matters
Making an electronic device smaller is not automatically impressive. Phones, laptops, watches and earbuds become smaller all the time.
Temple is different because of where it needs to sit.
A smartwatch has a relatively large area around the wrist and can accommodate a battery, sensors, display and other electronics.
Temple has to perform its job from a tiny area around the temple of the head.
That puts more pressure on the hardware engineers to reduce the size of the electronics without sacrificing the sensing capabilities of the device.
It can also have a direct impact on comfort.
A wearable intended for long periods of use needs to be light enough that the user eventually stops thinking about it. Temple's official FAQ says the current device weighs under 2 grams and is designed to be worn during activities including exercise and sleep.
The smaller Temple becomes, the easier it may be to keep the device unobtrusive during extended use. For a wearable positioned on the head, that could be just as important as the sensor technology itself.
How Small Is the New Temple?
This is probably going to be one of the most searched questions following the announcement.
The honest answer is that the exact dimensions of the redesigned Temple have not yet been publicly disclosed.
Goyal said only that the new version is less than half the size of what people had seen previously.
That does not mean the new product is exactly 50 percent smaller. Without the original and new measurements, there is no reliable way to calculate the precise reduction in millimetres or cubic centimetres.
| Temple Detail | What We Know |
|---|---|
| Latest size | Less than half the size of the earlier version, according to Deepinder Goyal. |
| Exact dimensions | Not publicly disclosed. |
| Weight | Under 2 grams according to Temple's official FAQ. |
| Smallest wearable claim | Goyal says Temple is now the smallest wearable on the market by volume. |
| Pre-orders | Limited launch-edition pre-orders are expected soon. |
| Expected shipping | Before the end of 2026, according to Goyal. |
| Price | Not announced in the latest update. |
What Is the Temple Wearable Actually Designed to Do?
The size of Temple is only one part of the story. The more interesting question is what the tiny device is actually designed to measure.
Temple describes its approach around a metric called Entropy.
According to Temple's official website, Entropy is associated with the metabolic and sympathetic demand that the body is under. The company presents it as a way of understanding how much physiological demand the body is experiencing.
Temple's FAQ also says that the device uses a standard PPG sensor, a sensing technology commonly used in health wearables.
Recent reporting has described Temple as a device intended to gather information related to brain signals including cerebral blood flow and oxygenation.
That is what makes Temple different from most conventional wrist-based trackers.
Temple vs a Smartwatch: What Is the Difference?
It is tempting to call Temple another smartwatch competitor, but that description misses the main idea.
Temple is being built around a different body location and a different type of measurement.
| Feature | Typical Smartwatch | Temple |
|---|---|---|
| Typical placement | Wrist | Temple area of the head |
| Primary focus | Activity, heart rate, sleep and general health tracking | Physiological and brain-related measurements |
| Display | Usually has a display | Designed primarily as a compact sensing device |
| Design challenge | Balancing display, battery and sensors | Extreme miniaturisation and comfortable temple placement |
That means Temple does not necessarily have to replace a smartwatch.
In the future, the two could potentially be used together, with a smartwatch handling everyday activity and cardiovascular tracking while Temple focuses on another set of physiological signals.
Why PV Sindhu Wearing Temple Created So Much Attention
Temple became significantly more visible after badminton star PV Sindhu was spotted wearing the device during the 2026 BWF World Championships in New Delhi.
The unusual placement immediately raised questions from viewers who were used to seeing athletes wear smartwatches or fitness bands.
Temple was different: a small sensor attached near the side of the forehead.
That naturally led people to search for terms such as Temple wearable, Temple device, Deepinder Goyal Temple and what is Temple wearable.
The connection with professional sport is especially interesting because athletes are often interested in recovery, training load, sleep, performance and other physiological signals.
However, simply seeing an athlete use a device should not be interpreted as independent proof of every capability claimed for that device.
What We Still Don't Know About Temple
The latest update gives us a clearer picture of the physical design, but there are still several unanswered questions.
- What are the exact dimensions of the new Temple?
- What is the final battery capacity and real-world battery life?
- What are the complete technical specifications?
- What will the final retail price be?
- How accurate are the measurements?
- What information will users actually see inside the app?
- How will long-term health data be stored and protected?
- What applications will Temple support beyond the initial launch?
A compact hardware design is an engineering achievement, but it does not automatically prove that the resulting measurements are medically accurate or clinically useful. Independent testing and real-world user experience will matter once the product becomes broadly available.
When Will Temple Pre-Orders Start?
Deepinder Goyal said that pre-orders for a limited launch edition will start soon.
He also said the initial units are expected to ship before the end of 2026.
As of August 21, 2026, however, the final pre-order date, retail price and complete launch specifications had not been publicly announced.
People interested in the device can follow Temple's official website and early-access announcements rather than relying on unverified prices or launch dates shared elsewhere online.
Why Temple Could Be Important for the Future of Wearables
The bigger idea behind Temple goes beyond making another fitness tracker.
The first generation of consumer wearables largely focused on measurements such as steps, calories, heart rate and basic sleep information.
The industry has gradually moved toward more detailed physiological measurements.
Temple is interesting because it is attempting to move even closer to the head and collect information that a traditional wrist wearable cannot easily access.
If the technology performs as intended, this type of wearable could eventually become useful for understanding how the body responds to exercise, recovery, sleep, demanding work and other forms of physiological stress.
But that is also why expectations around the product should be realistic.
A tiny device with impressive hardware is only the first step. The quality of the measurements and the software interpretation will ultimately decide whether the product is genuinely useful.
My Take: The Size Reduction Is More Important Than It Looks
The most interesting part of the latest Temple announcement is not simply that the device is smaller.
It is what the smaller size could mean for everyday use.
A wearable that is attached to the side of the head has to be comfortable. Nobody wants a device that constantly reminds them that they are wearing it.
Reducing the physical footprint could make Temple easier to wear for longer periods, particularly if the company has managed to maintain or improve its sensing capabilities at the same time.
That is the part I will be watching most closely.
The claim that Temple is the smallest wearable by volume is interesting, but the more important question is whether the new design can deliver useful data in a package that people actually want to wear every day.
Temple Wearable: Frequently Asked Questions
Temple is a compact health-focused wearable developed by Deepinder Goyal's Temple venture. It is designed to be worn near the temple of the head rather than on the wrist like a smartwatch.
Yes. Deepinder Goyal said on August 21, 2026 that the newest version is less than half the size of the version previously shown.
Deepinder Goyal claims that Temple is now the smallest wearable on the market by volume. Exact dimensions of the latest version have not yet been publicly disclosed, so this should currently be treated as a claim from the product's founder rather than an independently verified market ranking.
Temple's official FAQ says the device weighs under 2 grams.
Goyal says limited launch-edition pre-orders will begin soon, with shipping expected before the end of 2026.
The final retail price has not been announced in the latest update.
Temple's official website describes its focus around a metric called Entropy, while public reporting has described the device as targeting physiological signals associated with cerebral blood flow and oxygenation.
No. Temple is a different category of wearable. Instead of being a wrist-based device with a conventional display, it is designed primarily as a compact sensing device worn near the temple.
Final Thoughts
Temple has already been one of the more unusual wearable projects to come out of India, and the latest redesign makes the device even more interesting.
Deepinder Goyal says the new Temple is now less than half the size of the earlier version and claims it is the smallest wearable on the market by volume.
The company is also moving closer to a consumer launch, with limited-edition pre-orders expected soon and initial shipping planned before the end of 2026.
The size reduction is impressive, but Temple's success will ultimately depend on accuracy, comfort, battery life, software, privacy, price and whether the data it provides is genuinely useful to everyday users.
For now, one thing is clear: Temple is getting smaller, the launch is getting closer, and Deepinder Goyal is positioning this tiny wearable as a very different kind of health technology.
