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Best smart rings, watches, and scales on sale.

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See how to monitor your health, sleep, and physical exercise with the help of wearables, smart wearable electronics, with prices starting from R$ 130.

Health devices are a great option for those who want to track their workouts and weight loss in detail, thus obtaining data about their training to share with nutritionists and trainers. showmetech We've gathered the best smart rings on sale, plus scales, bracelets, and watches to closely monitor your health. Check out the best discounts:

Smart Rings

Galaxy Ring – R$ 2.578

Galaxy Ring is one of the best smart rings on the market.
(Photo: Reproduction/Samsung)

Samsung entered this market about two years ago, but today it has one of the best smart rings on the market. Galaxy Ring It stands out for being geared towards those who don't like wearing smartwatches, especially at bedtime, as it also monitors sleep patterns. The device has a battery life of up to seven days and can even be used at sea.

However, it is somewhat limited in terms of monitoring physical activity: it can only capture information from Walk It's a running tool, but it can also monitor your heart rate and workout duration, then send the data to your smart bracelet or watch.

Buy the Galaxy Ring for R$ 2.578 on Mercado Livre.

Size 06 can be purchased. on Amazon for R$ 1.074,01 with coupon 10TECOFF (69% OFF).

OURA Gen3 Heritage – R$ R$2.990

Oura gen3 heritage
(Photo: Reproduction/OURA)

O Oura Ring Gen3 Heritage It's not just a sleep monitor, it's a formidable athletic companion that intuitively understands your movement. Thanks to sophisticated technology. Automatic Activity DetectionIt recognizes and records more than 30 different activities without you having to press a single button — capturing everything from the explosiveness of a run and the cadence of cycling to the fluidity of swimming (with water resistance up to 100m) and even the functional effort of household chores or gardening.

For those seeking performance, the feature of Training Heart Rate It offers a granular view of your cardiovascular effort, generating intensity maps and precise insights into calorie burn and effort zones. The Gen3 integrates this movement data with your recovery, dynamically adjusting your daily goals to ensure that every workout, walk, or HIIT session contributes to your progress without leading to burnout. burnout, perfectly balancing activity and rest.

Buy the Smart Ring Oura Gen3 Heritage No. Mercado Libre for R$ 2.990

Smart scales

Xiaomi Mi Scale 2 – R$ 130

Xiaomi Mi Scale 2
(Photo: Reproduction/Xiaomi)

For those who need a smart scale, the Xiaomi Mi Scale 2 measures 13 body composition parameters, including... weight, BMI, body fat percentage, muscle mass, moisture content, protein content, visceral fat, and basal metabolic rate, all available for analysis through the app Zepp Life (Mi Home), available to Android e iOS.

This model can weigh people up to 150 kilograms, and four batteries can last for up to a year, so you won't have any surprises when it's time to weigh yourself. The smart scale has Bluetooth, so a Wi-Fi connection isn't necessary, and you can weigh yourself whenever you want. It's possible to register data for up to 16 people, and it also has an anonymous mode that only displays the weight and doesn't save the data in the app.

Buy the Xiaomi Mi Scale 2 for R$130 on Mercado Livre..

Omron HBF-514 – R$ 463,54

Omron hbf-514
(Photo: Press Release/Mercado Livre)

For those who can spend a little more, the Omron HBF-514 This smart scale, currently on sale, arrives as an interesting option: through its sensors, it can indicate how many calories you still need to consume to maintain daily physiological functions. In addition to showing your body mass index (BMI), this smart scale can measure the amount of muscle mass in your body and visceral fat, which surrounds internal organs and can increase the risk of health problems.

All information can be viewed in the Omron Connect app, available for Android e iOSwhich also allows registration of up to four people and has a guest mode that does not record health data. Focusing on weight comparison, it's possible to analyze measurements from 1, 7, 30, and 90 days, and it also has an evaluation function that helps understand the level of the results (low, normal, high, very high).

Buy the Omron HBF-514 for R$ 463,54 on Mercado Livre.

Bio Ultra – R$ 824,45

Best smart rings, watches, and scales on sale. See how to monitor health, sleep, and physical exercise with the help of wearables, smart wearable electronics, with prices starting from R$ 130.
(Photo: Reproduction/Mercado Livre)

A Bio Ultra Smart Scale da Relaxshop It has four high-precision sensors that can indicate essential metrics such as body fat percentage, hydration, muscle mass, bone mass, and basal metabolic rate. In addition to displaying the body mass index (BMI), this smart scale, currently on sale, features a durable tempered glass design and supports up to 180kg.

All information can be viewed in the app. Unique Health, available to Android e iOSThis app also allows registration of up to 8 different users, ideal for monitoring the whole family. For weight comparison, it's possible to analyze progress graphs and measurement histories directly on the phone screen, and it also features an automatic activation system when you step on the bed, eliminating the need for prior touches to turn it on.

Buy Bio Ultra on the Free Market by R$824,45.

Smart Watches

Xiaomi Redmi Watch 5 Active – R$ 238,80

Xiaomi Redmi Watch 5 Active
(Photo: Reproduction/Redmi)

Entering the realm of smartwatches on sale, the Redmi Watch 5 Active stands out for having a large 2-inch screen that allows you to view various information without straining your eyes, in addition to 140 sports modes to know, in detail, how your workouts went. Its battery stands out, lasting up to 18 days in typical mode or up to 12 days with heavy use.

Those who enjoy swimming can also use the device for that, as it has a water resistance of 5 ATM (up to 50 meters deep). In addition, this Xiaomi smartwatch has Amazon's Alexa integrated, allowing you to get quick answers and control smart devices.

Buy the Xiaomi Redmi Watch 5 Active for R$ 238,80 on Mercado Livre.

Amazfit Bip 6 – R$ 521

Amazfit Bip 6
(Photo: Reproduction/Amazfit)

For those looking for a complete smartwatch, the Amazfit Bip 6 It stands out for its large screen. AMOLED With a 1,97″ screen and integrated GPS, it monitors heart rate, blood oxygen, and stress 24/7. Water-resistant to 5 ATM, this model offers over 140 sports modes to accurately track any workout.

The data is synchronized in the app. Zepp App, available to Android e iOSIt allows you to answer calls via Bluetooth directly from your wrist. With battery life in mind, it lasts up to 14 days with typical use and also offers detailed sleep analysis and physical recovery tracking.

Buy the Amazfit Bip 6 on Mercado Livre for R$ 521.

Amazfit GTS 4 Sport – R$ 779

Amazfit GTS 4 Sport
(Photo: Reproduction/Amazfit)

For those who want even more sports options, the Amazfit GTS 4 Sport It has 150 training modes, displayed on a 1,75-inch screen with a peak brightness of 2.000 nits. With a battery that lasts up to 8 days, you won't be caught off guard and unable to monitor your workouts and sleep.

The same sensor can also monitor heart rate, blood oxygen levels, and breathing rate to detect potential health problems. The model also comes with integrated GPS and allows you to download maps so you can run using your phone's Bluetooth, as well as control connected devices via Alexa.

Galaxy Watch5 LTE 40mm – R$ 1.439,10

galaxy watch5
(Photo: Reproduction/Samsung)

For those who have an Android smartphone, the Galaxy Watch5 It debuts with an important differentiating factor: its new infrared temperature sensor.

Unlike traditional thermometers focused on measuring fever, this technology was specifically designed for monitoring women's health, using skin temperature during sleep to offer more accurate ovulation predictions and detailed tracking of the menstrual cycle.

Beyond this innovation, the smartwatch maintains its focus on holistic well-being with the BioActive 3-in-1 sensor, which performs everything from electrocardiograms to body bioimpedance analysis. All of this is protected by a Sapphire Crystal screen, 60% more scratch-resistant, and supported by an improved battery to keep up with your routine, establishing itself as a robust tool for everyday use.

Buy the Galaxy Watch5 for BRL 1.439,10 at Magazine Luiza.

HUAWEI WATCH GT 5 Pro – R$ 1.448,90

Huawei Watch GT 5 Pro
(Photo: Reproduction/HUAWEI)

For those seeking an advanced model with long-lasting battery life, the HUAWEI Watch GT 5 Pro delivers up to 14 days of autonomy, in addition to being an advanced monitoring tool. With over 100 sports modes, it can even be used for diving in the sea, thanks to its reinforced ceramic case. The model also features GPS, and those who participate in scams can download maps of their location to track where the holes are.

The HUAWEI Life app serves as the central hub for viewing all collected data, allowing you to set daily goals, track your menstrual cycle, measure your heart rate, and monitor your sleep. The model also boasts a sporty design, not to mention its bright 1,43-inch AMOLED screen, ensuring you can see information even on sunny days.

Buy the 46mm HUAWEI WATCH GT 5 Pro at Amazon for R $ 1.448,90

Galaxy Watch Ultra 2025 – R$1.980

Galaxy watch ultra 2025
(Photo: Reproduction/Samsung)

For those who need an even more robust model, the Galaxy Watch Ultra comes with twice the storage of the 2024 model, and is also available in a new blue color. A direct competitor to the Apple Watch Ultra, this model has dual-frequency GPS for even greater accuracy in areas with poor signal coverage, and boasts all-day battery life, ideal for those who spend a lot of time away from home.

The model can also be used at sea and for deep dives, and it has an action button that can be used to open apps/start workouts, as well as activate a siren to be located in case of emergencies.

Buy the Galaxy Watch Ultra on Mercado Livre for R$1.980.

Galaxy Watch7 44 mm – R$ 1.997,10

Best smart rings, watches, and scales on sale. See how to monitor health, sleep, and physical exercise with the help of wearables, smart wearable electronics, with prices starting from R$ 130.
(Photo: Reproduction/Samsung)

For those seeking innovation in healthcare, the Galaxy Watch7 44mm debuts AGEs Index, a groundbreaking feature that assesses biological aging and metabolic health. Sleep monitoring has also been enhanced with AI, capable of detecting signs of apnea and offering personalized training to improve your nights.

Its robust construction features a screen. 1,5 Super Super AMOLED with sapphire crystal and dual-frequency GPS for maximum accuracy in more than 100 sport modesThe processor ensures smooth performance and optimizes battery life. 425 mAh, ensuring efficient performance to support your training routine and well-being.

Galaxy Watch8 44 m – R$ 2.199

galaxy watch8
(Photo: Reproduction/Samsung)

The current generation of Samsung smartwatches, the Galaxy Watch8, stands out for being the first in its category with Ask Gemini, bringing Google's new personal assistant directly to your wrist. With it, you can request simple actions and even start a workout, activated by a button. The model also boasts a battery that lasts for almost an hour, so it's recommended to charge it before bed or while showering, as it has fast charging and just a few minutes plugged in provides hours of use.

The model also features Galaxy AI to analyze all your health data, helping you get a better night's sleep by suggesting habits and even changes to your bedroom to improve sleep. Like previous generations, the device also includes a meter. AGEs IndexECG monitor, stress monitor, and of course, over 100 sports modes. All training and health information can be viewed on the... Samsung Health app, available to Android (Samsung smartwatches are not compatible with iPhones).

Buy the Galaxy Watch8 for R$2.199 on Amazon.

Garmin Forerunner 165 – R$ 2.149

Garmin forerunner 165
(Photo: Reproduction/Garmin)

Designed for those who want a running-focused model, the Garmin Forerunner 165 comes with an operating system designed solely for that purpose. In addition to monitoring heart rate, intensity levels, and running distance, it has an artificial intelligence system that suggests workouts to help you improve. All this is displayed on a bright 1,2-inch AMOLED screen.

Its battery life is impressive, lasting up to 11 days, and it also features satellite GPS for even better accuracy and over 25 integrated GPS and sports apps for your workout. The model can also be used for sleep monitoring, with data viewable in the app. Garmin Connect, available to Android e iOS.

Huawei Watch GT 6 Pro 46mm – R$ 2.249,10

Huawei Watch GT 6 Pro
(Photo: Reproduction/HUAWEI)

For those who want a model that works with both Android and iOS, the HUAWEI Watch GT 6 Pro goes a long way. The device has a 1,47″ AMOLED screen and a battery that lasts up to 21 days, but, as the name suggests, it elevates exercise monitoring to a professional level. In addition to measuring basic features such as heart rate, intensity levels, and displaying all this on your smartphone, it has a cycling power meter that measures the athlete's power in watts. With this data, you can improve your runs daily.

This model also monitors sleep patterns and is ideal for those who want to engage in extreme activities such as swimming, mountain climbing, and more exploration. One of the best smartwatches on the market, it elevates how you use a smartwatch.

Buy the Huawei Watch GT 6 Pro at Magalu for R$ 2.249,10.

Apple Watch SE 3 – R$ 2.689

Smartwatches on sale
(Photo: Reproduction/Apple)

O Apple Watch SE 3 It's the cost-effective option that finally gained the Always-On Display feature, allowing you to see the time without having to raise your wrist. It's ideal for those buying their first smartwatch or looking to save money, as it delivers the same fast performance as more expensive models and essential health sensors, such as sleep apnea and temperature detection, plus a battery that lasts all day and charges to 80% in about 45 minutes.

Buy the Apple Watch SE 3 for R$ 2.689 at Amazon.

Apple Watch Series 10 – R$3.298,90

apple watch series 10
(Photo: Reproduction/Apple)

For those seeking a more premium look, the Apple Watch Series 10 stands out for its extremely thin design and wide-angle OLED screen that makes reading messages and maps much easier. It is especially recommended for swimmers, as it has specific depth and water temperature sensors, as well as ultra-fast charging that surpasses the entry-level model.

Buy the Apple Watch Series 10 for BRL 3.298,90 at Magazine Luiza.

Apple Watch Series 11 – R$4.999

apple watch series 11
(Photo: Reproduction/Apple)

The top-of-the-line one Apple Watch Series 11 Its main feature is preventative health, introducing hypertension alerts to monitor signs of high blood pressure. It's the right choice for those who want the latest technology and need greater autonomy away from a power outlet, as its battery has been improved to last up to 24 hours of real-world use, in addition to offering 5G connectivity to function more independently from a cell phone.

Buy the Apple Watch Series 11 at Amazon for R $ 4.999.

Smart bracelets (smartbands)

Xiaomi Redmi Smart Band 2 – R$ 241

Xiaomi Redmi Smart Band 2
(Photo: Reproduction/Xiaomi)

Xiaomi's most affordable model in the smart bracelet category, the Redmi Smart Band, features a super bright 1,47″ screen and a battery life of up to 14 days. Available in six different colors, it also supports monitoring up to 30 activities, menstrual cycle tracking, stress monitoring, and blood oxygen level monitoring.

It can also be used in lakes and pools up to 50 meters deep thanks to ATM 5, with all the captured information viewable in the app. My Fitness, available to Android e iOS.

Buy the Xiaomi Redmi Smart Band 2 for R$ 241 in the Free Market.

Galaxy Fit 3 – R$ 259

Smartwatches on sale
(Photo: Reproduction/Samsung)

Samsung's current option for the smart device market, the galaxy fit 3 It is best suited for those who want to start using a device like this and, later on, move on to a smartwatch. The model stands out for having a super bright 1,6″ AMOLED screen with support for Always On Display and health monitoring (steps, are, stress, SPO2), 101 workouts, up to 7 days of battery life with heavy use, and an aluminum body design.

It's ideal for those who have a Galaxy smartphone and want to track physical activities with features like music and camera control, and fall detection, including sending emergency SMS messages to their registered contacts.

Buy the Galaxy Fit 3 for R$ 259 in the Free Market.

HUAWEI Band 10 – R$ 299

huawei band 10
(Photo: Reproduction/HUAWEI)

A HUAWEI Band 10 It's an evolution of the Band 8 and comes with a battery that lasts even longer than Samsung's option, up to 14 days, and supports fast charging. It also has a 1,47″ AMOLED screen with Always-On Display and customizable watch faces, as well as heart rate monitoring and over 100 sports modes.

Among the new features of this generation, it offers improved sleep monitoring with Heart Rate Variability and enhanced insights, as well as an emotional health system with tips for a less anxious daily life. HUAWEI It also started using an aluminum case, which gives the product a more premium look.

Buy the HUAWEI Band 10 for R$ 299 on Mercado Livre.

Smart blood pressure monitor

Omron HEM-7156T – R$ 169

Smartwatches on sale
(Photo: Reproduction/Omron)

O Omron HEM-7156T It's the ideal choice for those who prioritize clinical confidence, standing out for its Intelli Wrap cuff that accurately measures 360 degrees around the arm and avoids common positioning errors. It operates on 4 AA batteries and connects via Bluetooth to the brand's app to save your entire history, as well as detect cardiac arrhythmia and alert you if you move during the measurement.

Buy the Omron HEM-7156T for R$ 169 on Mercado Livre.

G-Tech Smart Connect LA850BT – R$ 197,25

Smartwatches on sale
(Photo: Reproduction/G-Tech)

Already G-Tech Smart Connect LA850BT It's the champion of cost-effectiveness for those who want to view graphics on their cell phone without spending too much, featuring a large LCD display and app integration. Android e iOS It generates color-coded data to facilitate medical reading. Powered by 4 AAA batteries, it measures blood pressure and heart rate with graphic indicators of risk level, making it a smart and economical option for family monitoring.

Reezbye FC- BP103 – R$ 545,49

Best smart rings, watches, and scales on sale. See how to monitor health, sleep, and physical exercise with the help of wearables, smart wearable electronics, with prices starting from R$ 130.
(Photo: Press Release/Reezbye)

If you're looking for technology and accessibility, the Reezbye FC-BP103 stands out for its modern design with a large illuminated LED screen and the unique voice transmission feature that speaks the result, making it perfect for seniors or people with visual impairments.

It is the most versatile model because it accepts charging via USB Type-C cable in addition to conventional batteries, offers separate memory for two users, and detects irregular heartbeats. The results can be viewed through the MedM Health app, available for... Android e iOS.

Among the devices we've shown in this article, which one is your favorite? Tell us in the comments! Comment!

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reviewed by Luis Antonio Costa in 16 / 01 / 2026


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