The Wearable Tech Podcast with Fexingo: Smartwatches, Fitness Trackers, and Health Devices

The Wearable Tech Podcast with Fexingo: Smartwatches, Fitness Trackers, and Health Devices

The wearable technology market now encompasses over a billion devices, from the smartwatch on your wrist to the continuous glucose monitor under your skin. Each week, Lucas and Luna sit down at their review studio to dissect the latest releases from Apple, Garmin, Fitbit, Whoop, and emerging players like Oura and Withings, comparing specs, battery life, sensor accuracy, and real-world usability. They don't just unbox gadgets—they interrogate the clinical trials behind new electrocardiogram algorithms, the privacy implications of always-on health monitoring, and the shifting business models of companies that now sell you data dashboards alongside hardware. Lucas brings a journalist's skepticism to claims about stress detection and sleep staging; Luna, an engaged athlete and early adopter, challenges him to see beyond the spec sheet. Together, they explore how these devices are reshaping insurance premiums, employer wellness programs, and even medical diagnosis, while asking hard questions about data ownership and regulatory oversight. For listeners who already own a tracker and want to understand what the algorithms are really doing, or for investors sizing up a sector projected to hit $200 billion by 2030, this is the conversation that strips away the marketing hype. Can a wristband actually save your life, or is it just a very expensive step counter? #WearableTech #Smartwatches #FitnessTrackers #HealthDevices #AppleWatch #Garmin #Fitbit #Whoop #OuraRing #ContinuousGlucoseMonitor #HealthDataPrivacy #DigitalHealth #WearableTechPodcast #Technology #FexingoBusiness #BusinessPodcast #Podcast #TechPodcast Keep every episode free: buymeacoffee.com/fexingo

Episodes

June 11, 2026 9 mins
In this episode of The Wearable Tech Podcast, Lucas and Luna explore how sweat-based wearable sensors are moving from concept to commercial reality, offering real-time biomarker tracking without needles. They focus on the case of Eccrine Systems, a startup that developed a wearable sweat patch capable of measuring glucose, lactate, and electrolytes with lab-grade accuracy. The hosts discuss the engineering challenges of collecting ...
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Lucas and Luna explore how true wireless earbuds are evolving from audio devices into continuous health monitors. They focus on the specific case of a current-generation earbud that tracks heart rate, body temperature, and even electroencephalogram signals through the ear canal. The conversation covers why the ear is an ideal spot for medical-grade biometric sensing, how earbud manufacturers are competing with wrist-based wearables...
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Lucas and Luna explore how wearable sleep trackers are moving beyond simple sleep stage tracking to become clinical tools for insomnia treatment. They discuss the rise of cognitive behavioral therapy for insomnia (CBT-I) delivered via smartwatches and rings, the FDA clearance of a prescription digital therapeutic for chronic insomnia, and the data showing that wearable-guided sleep restriction therapy improves sleep efficiency by 1...
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Smart scales have been around for years, but the latest generation of body composition wearables goes far beyond weight. In this episode, Lucas and Luna look at one specific device — the Withings Body Scan — and how it uses bioelectrical impedance to track visceral fat, muscle mass, and even vascular age. They discuss why body composition matters more than BMI, how the technology works, and whether these devices actuall...
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In Episode 40 of The Wearable Tech Podcast, Lucas and Luna dive into the emerging world of wearable sweat sensors. Unlike blood-based continuous glucose monitors or urine strips, sweat sensors analyze perspiration in real time to measure biomarkers like lactate, sodium, potassium, and even cortisol. The hosts explore the science behind enzymatic and impedance-based detection, spotlighting a key 2025 study from the University of Cal...
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In this episode of The Wearable Tech Podcast, Lucas and Luna explore how wearable air quality sensors are giving individuals real-time data on pollutants like PM2.5 and VOCs. They focus on the Atmotube Pro, a pocket-sized sensor that measures particulate matter, volatile organic compounds, temperature, and humidity. Lucas explains how these devices differ from government monitors, which only measure outdoor air at sparse locations,...
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Episode 38 of The Wearable Tech Podcast explores the emerging world of wearable hydration sensors — devices that track sweat rate, electrolyte loss, and hydration status in real time. Lucas and Luna examine how this technology is moving beyond elite sports into everyday fitness wearables. They look at the science behind sweat analysis, the key players like NIX and Lumen, and the challenges of accuracy and form factor. The epi...
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In this episode, Lucas and Luna explore the rapidly growing market for wearable UV sensors — tiny devices that measure personal sun exposure in real time. They break down how a company called L'Oréal (yes, the beauty giant) launched the first wearable UV sensor, the My Skin Track UV, back in 2018, and how the technology has evolved since. Lucas shares data from a 2024 study in JAMA Dermatology showing that continuous UV monit...
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This episode of The Wearable Tech Podcast explores the shift from spot-check blood pressure cuffs to continuous wearable monitors. Lucas and Luna discuss the technology behind the new wave of wrist-based and ring-based sensors that use pulse transit time and optical methods to track blood pressure throughout the day. They examine the clinical validation challenges, the FDA clearance process for devices like the Aktiia bracelet and ...
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In this episode of The Wearable Tech Podcast, Lucas and Luna explore how wearable skin conductance sensors are being used to detect epileptic seizures in real time. They focus on the Empatica Embrace, a FDA-cleared smartwatch that measures electrodermal activity to alert caregivers. Lucas explains the science behind sweat gland activation during seizures, citing a 2023 study showing 94% sensitivity. Luna discusses the emotional imp...
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In this episode of The Wearable Tech Podcast, Lucas and Luna explore how wrist-based temperature sensors in smartwatches and fitness trackers are becoming a reliable method for predicting ovulation. They discuss the science of skin temperature tracking, the accuracy compared to traditional basal body temperature methods, and how companies like Apple and Oura are integrating this feature. Lucas explains the difference between 'sleep...
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Lucas and Luna explore how wearable ECG patches are detecting arrhythmias that standard checkups miss. They discuss the landmark Apple Heart Study that screened over 400,000 participants, the shift from 24-hour Holter monitors to 14-day continuous patches, and real-world cases where a patch caught atrial fibrillation in people with zero symptoms. They also unpack the regulatory landscape—how the FDA cleared these devices and ...
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In this episode of The Wearable Tech Podcast, Lucas and Luna explore how continuous body temperature monitoring is moving beyond fever detection to become an early-warning system for illness. They break down the science behind a new generation of smart rings and armband sensors that track baseline temperature shifts of just 0.1 degrees Celsius. Using data from a recent Stanford study on 1,200 participants, they explain how these we...
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In this episode of The Wearable Tech Podcast, Lucas and Luna explore how wearable skin sensors are revolutionizing dermatology and skincare. They dive into the technology behind adhesive patches that measure skin hydration, UV exposure, pH levels, and even detect early signs of skin cancer. The hosts discuss a landmark study from Stanford University where a flexible sensor array successfully distinguished between benign moles and m...
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Lucas and Luna explore the rise of wearable smart rings, focusing on how these tiny form factors are challenging wrist-based devices for core health metrics like sleep tracking, heart rate, and SpO2. They break down the technology behind photoplethysmography (PPG) in a ring, compare battery life trade-offs, and discuss the competitive landscape including Oura and Samsung's Galaxy Ring. Specific data points include Oura's 2.5 millio...
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Episode 29 of The Wearable Tech Podcast explores a surprising frontier: wearable brain stimulation for depression. Lucas and Luna examine a specific case — the Flow Neuroscience headset, a FDA-cleared device that uses transcranial direct current stimulation to treat major depressive disorder. They discuss the clinical trial data, how the device works (a forehead electrode and an ear clip, worn for 30 minutes daily), and the r...
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Lucas and Luna explore the quiet revolution in wearable hearing technology. They trace how traditional hearing aids — bulky, stigmatized, and expensive — are being reinvented by consumer tech companies like Apple and Jabra. The hosts zero in on the recent FDA rule change that created a new over-the-counter hearing aid category, and examine what it means for the 30 million Americans with mild-to-moderate hearing loss. Lu...
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Episode 27 of The Wearable Tech Podcast explores a surprising gap: despite over 200 million smartwatches sold worldwide, daily active usage trails far behind smartphone engagement. Lucas and Luna examine data from Counterpoint Research and Deloitte showing that 30% of smartwatch owners stop wearing their device within six months. They discuss design friction, notification overload, and what companies like Apple and Garmin are doing...
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Lucas and Luna examine how wearable insulin pumps have evolved from clunky medical devices to sleek, automated systems that communicate with continuous glucose monitors. They focus on Medtronic's latest MiniMed system, which uses a hybrid closed-loop algorithm to adjust insulin delivery every five minutes based on real-time glucose readings. The hosts discuss how this reduces the burden of constant decision-making for people with T...
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In this episode of The Wearable Tech Podcast, Lucas and Luna explore how wearable menstrual cycle trackers have moved beyond simple period prediction to become sophisticated health monitoring tools. They focus on the rise of continuous temperature sensing via wrist-worn devices like the Ava bracelet and the Tempdrop, and how companies like Natural Cycles and Clue are integrating this data with machine learning to provide fertility ...
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