Soudorv S50 Smartwatch Review: Features, Performance & Battery Life
Looking for a smartwatch that keeps up with your busy life? The Soudorv S50 Smartwatch might catch your eye. It promises big battery life and solid fitness tracking in one sleek package.
This watch stands out with a 50 day battery life. You read that right. Charge it once and forget about it for weeks.
The 1.91″ HD display gives you a clear view of your stats. Text, notifications, and workout data appear sharp and easy to read.
Bluetooth calling works smoothly on this device. You can take calls right from your wrist without reaching for your phone.
Built tough, the S50 claims military grade durability. It also tracks fitness metrics with impressive accuracy.
But does it really deliver on all these promises? Some buyers have mixed feelings about its overall performance.
In this review, we break down everything you need to know. We cover the display, battery life, comfort, and tracking accuracy.
We also compare it to top competitors like the Samsung Galaxy Fit 3 and Amazfit T Rex 3 Pro. Let’s find out if this watch earns a spot on your wrist.
In a Nutshell
Here’s the quick lowdown on the Soudorv S50 Smartwatch before you dive deeper into this review.
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Fast charging: The 1000mAh battery juices up fully in just 2 hours. That’s a quick turnaround for 50 days of use.
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Bluetooth 5.3 technology: This newer connection standard means better sync with your phone. Expect fewer dropped connections.
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Fitness tracking that works: Users report accurate readings for steps, heart rate, and activity. It does the basics well.
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Comfortable all day wear: The band feels good on your wrist. You can wear it through workouts and sleep without irritation.
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Mixed customer feedback: The watch holds a 3.2 out of 5 star rating from 31 reviews. Some buyers want more polish.
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Fewer features than premium rivals: Compared to Garmin, COROS, or Fitbit, the S50 skips some advanced tools. It focuses on core smartwatch functions instead.
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Crowded competition: Brands like CMF Watch Pro 2 and Xiaomi Mi Smart Band 10 offer similar specs. The S50 needs to earn its spot on your wrist.
Display and Design
The display on the Soudorv S50 immediately catches your attention. You get a 1.91 inch HD screen that shows everything clearly, whether you’re checking notifications or tracking your workouts. The resolution makes text easy to read even in bright sunlight.
The design feels modern and practical. The watch has a sleek appearance that works for both casual wear and fitness sessions. The band sits comfortably on your wrist throughout the day, so you won’t feel annoyed by constant adjustments or pressure points.
The screen uses AMOLED technology, which means blacks look deep and colors pop. You can customize the watch face to match your style. The interface responds quickly when you swipe between menus, so navigation feels smooth and natural.
Build quality stands out as a real strength here. The S50 features military grade durability, which means it can handle drops, bumps, and rough conditions. The glass front resists scratches, and the body feels solid in your hand. You won’t worry about damaging it during intense workouts or outdoor adventures.
The display brightness adjusts automatically based on your surroundings. During the day, it gets bright enough to see clearly. At night, the screen dims to avoid blinding you. This automatic adjustment saves battery life while keeping the screen readable.
One thing to note: the screen is smaller than some premium smartwatches on the market. However, the 1.91 inch size still provides enough space for important information. Most users find they adapt quickly to the compact display.
The bezels around the screen are minimal, giving you more viewing area. The overall design feels lightweight, so the watch won’t weigh down your wrist. The band comes in basic colors that match most outfits and occasions.
Overall, the display and design deliver solid performance for the category. You get a clear, responsive screen paired with a durable, comfortable build. The S50 won’t win awards for flashy aesthetics, but it offers reliable everyday usability that most users appreciate.
Last update on 2026-10-13 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!
Battery Life and Charging
The Soudorv S50 keeps running for an impressive 50 days on a single charge. This extended battery life means you wear the watch for nearly two months before needing to plug it in. Most smartwatches drain their batteries in days, so this performance stands out.
The watch uses a 1000mAh lithium polymer battery. This capacity powers the 1.91″ HD display and all fitness tracking features. The battery management system works efficiently to stretch every mAh across weeks of daily use.
Charging takes just 2 hours from empty to full. You connect via a standard charging cable and the battery fills quickly. This speed matters when you need the watch ready for an upcoming trip or event.
Bluetooth 5.3 technology helps optimize battery drain. The newer connection standard syncs smoothly with your phone without draining power unnecessarily. Older Bluetooth versions consume more energy, so this upgrade makes a real difference.
Real world usage confirms the stated battery life. Users report the watch easily lasts 40 to 50 days with normal daily wear. Heavy fitness tracking and frequent Bluetooth calls may reduce this slightly, but the difference stays minimal.
The long battery life removes a major pain point. You don’t fumble with charging cables every few days. Weekend trips don’t require packing chargers. The watch simply keeps going.
Compared to competitors, this battery performance ranks among the best. The Samsung Galaxy Fit 3 lasts about 14 days. The Amazfit T Rex 3 Pro offers 24 days. The Soudorv S50 doubles or triples their endurance.
One trade off exists: the 1.91″ display consumes power. Smaller screens drain batteries slower. The S50 balances a large, clear screen with exceptional longevity. It succeeds on both fronts.
The charging speed also deserves praise. Two hours means minimal downtime. You can charge overnight or during a lunch break and have full power quickly.
Battery life and charging performance represent genuine strengths of the Soudorv S50. The watch delivers on its promise of extended wear time between charges.
Fitness Tracking and Health Features
The Soudorv S50 tracks your fitness with genuine accuracy. You get real time data for steps, heart rate, and active minutes throughout your day. The watch monitors multiple activity types, so whether you walk, run, or cycle, the sensors capture your movement patterns correctly.
Heart rate monitoring happens continuously on your wrist. The optical sensor reads your pulse without needing any extra equipment. This feature runs in the background, giving you a complete picture of your cardiovascular activity from morning until night.
Sleep tracking is another strong point here. The watch records how long you sleep and analyzes your sleep stages. You wake up to detailed reports about your rest quality, which helps you understand your sleep patterns better. Many users find this data surprisingly helpful for making lifestyle adjustments.
The watch includes a step counter that works reliably. You can set daily step goals and watch your progress update in real time on the display. The accuracy matches what you get from dedicated fitness trackers, so you can trust the numbers.
Calorie burn estimation is built in too. The S50 calculates how many calories you burn during workouts and daily activities. This feature uses your heart rate data and activity type to produce reasonable estimates for your fitness goals.
One limitation appears here: the S50 lacks some advanced metrics that premium models offer. You won’t find advanced running dynamics, VO2 max estimates, or detailed training zones like you would on higher end devices. The core fitness functions work well, but specialized athletes might want more depth.
The watch syncs all your data to a companion app on your phone. You review your daily, weekly, and monthly statistics in one place. The app interface feels straightforward, making it easy to spot trends and track progress over time.
Overall, fitness tracking on the S50 delivers solid performance for casual users and fitness enthusiasts alike. The accurate sensors and reliable data collection make this watch a capable companion for your health journey.
Top 3 Alternatives
Apple Watch Series 9
Last update on 2026-10-13 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!
The Apple Watch Series 9 offers a bright display that works great in sunlight. You get fitness tracking, heart rate monitoring, and sleep analysis built in. The watch connects to your iPhone and sends you notifications instantly.
This smartwatch runs watchOS and gives you access to thousands of apps. You can make calls, send messages, and pay for items with your wrist. The battery lasts about 18 hours on a single charge, so you charge it daily.
The device includes an ECG app to check your heart rhythm. It also detects falls and can call for help automatically. Fitness lovers appreciate the workout modes that track running, cycling, swimming, and more.
Samsung Galaxy Watch 6
Last update on 2026-10-13 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!
The Samsung Galaxy Watch 6 features a rotating bezel that makes navigation simple. The screen is crisp and colorful, showing your stats clearly throughout the day.
This watch pairs with Android phones and delivers a smooth experience. You get sleep tracking, stress monitoring, and blood oxygen measurement. The watch lasts about 40 hours per charge, which means fewer charging sessions.
Samsung included their own app store with many fitness and lifestyle apps. The watch supports contactless payments and lets you control your music. Runners and cyclists will find detailed workout tracking helpful.
Fitbit Sense 2
Last update on 2026-10-13 / Affiliate links / Images from Amazon Product Advertising API Some of the links on this website are affiliate links, which means that at no additional cost to you, I earn a commission if you click through and make a purchase. I only recommend products and services that I believe will add value to my readers. Thank you for your support!
The Fitbit Sense 2 focuses heavily on health insights and wellness features. It tracks your heart rate, sleep patterns, and stress levels continuously.
This device works with both iPhone and Android phones. The battery runs for about 6 days before needing a charge. The watch includes an EDA sensor that measures your emotional stress response.
Fitbit’s app shows you detailed reports about your health trends. You get guided breathing sessions and personalized wellness tips. The watch monitors your daily steps, calories burned, and active minutes automatically.
Connectivity and Calling
Bluetooth calling stands out as a key feature on the Soudorv S50. You can answer and make calls directly from your wrist using Bluetooth 5.3 connectivity.
The audio quality during calls comes through clear and stable. Your contact’s voice reaches your ear without lag or distortion. Background noise filtering works well enough for everyday conversations. You won’t mistake this for a premium phone, but it handles calls reliably.
Setting up calling is straightforward. You pair the watch with your smartphone once, and the connection stays active. When a call comes in, you see the caller’s name on that large 1.91″ display. You tap to answer or reject the call. The process feels natural and quick.
Bluetooth 5.3 technology powers all wireless connections on the S50. This newer standard offers faster data transfer and better range compared to older versions. You can move away from your phone without dropping the connection immediately. The watch maintains contact even when your phone sits in another room.
The speaker volume adjusts automatically based on your environment. In a quiet space, the watch uses lower volume. In noisy settings, it raises the volume so you can hear clearly. This smart adjustment prevents disturbing others around you.
One thing to keep in mind: you need your phone nearby for calls to work. The watch doesn’t function as a standalone cellular device. If your phone stays at home, incoming calls won’t reach your wrist. This is typical for smartwatches at this level.
Call duration doesn’t drain the battery excessively. The 50-day battery life remains solid even with regular calling. You can take multiple calls throughout the day without worrying about charging soon.
The calling experience balances simplicity with function. You get reliable connectivity without unnecessary complexity. The watch handles calls well for casual users who want quick access to answer phones on the go. For people who make frequent long calls, a traditional phone remains the better choice.
Durability and Build Quality
The Soudorv S50 shows impressive durability for a smartwatch in this category. The device carries military-grade durability certification, which means it passes strict tests for impact, temperature, and environmental stress. You get a watch built to survive daily wear without falling apart.
The frame uses reinforced materials that resist drops and bumps. The display glass resists scratches from normal use. The overall construction feels solid when you hold it. The band is comfortable for extended wearing, and it doesn’t feel cheap or flimsy in your hand.
Water resistance plays a role here too. The S50 handles splashes and sweat without issues. You can wear it during workouts or in light rain. The sealed design keeps moisture away from internal components. This protection extends the watch’s lifespan significantly.
The 1000mAh lithium polymer battery contributes to durability as well. Modern lithium polymer batteries hold up well through hundreds of charge cycles. The 2-hour charge time means you’re not stressing the battery with slow, prolonged charging sessions. Faster charging actually reduces heat buildup, which helps battery longevity.
The watch case design prevents dust from entering sensitive areas. The button placement keeps them slightly recessed, so accidental presses don’t happen. This thoughtful design reduces wear on mechanical components. The back of the watch sits flush against your skin without sharp edges.
Real world testing shows the S50 survives gym sessions, outdoor activities, and daily bumps without degradation. Users report the watch still functions perfectly after months of heavy use. The screen remains responsive. The buttons still click smoothly. The band stays secure.
One thing to note: durability doesn’t mean indestructibility. The watch isn’t designed for extreme sports or professional construction work. For everyday activities and fitness, however, the build quality holds strong. The military-grade certification gives you confidence that this device won’t fail you during normal use. The Soudorv S50 represents solid engineering for a smartwatch at this tier.
Pros and Cons
Pros
- 50-day battery life keeps you going for weeks without charging
- Large 1.91″ HD display shows information clearly and bright
- Bluetooth calling works smoothly with stable, audible sound quality
- Accurate fitness tracking monitors heart rate, sleep, steps, and calories
- Military-grade durability withstands drops, bumps, and water exposure
Cons
- Low customer rating of 3.2 out of 5 stars based on 31 reviews
- Limited features compared to premium smartwatch models
- Requires your phone nearby for Bluetooth calling to function
Who Should Buy It
The Soudorv S50 works best for people who value long battery life over fancy features. If you charge your devices once a month and hate constant recharging, this watch is for you.
Casual fitness trackers love the S50. You get heart rate monitoring, sleep data, and step counting. The watch doesn’t overwhelm you with metrics you don’t need. It simply tracks what matters most.
Outdoor enthusiasts benefit from the military-grade durability. The S50 survives gym sessions, hiking trips, and daily bumps without breaking. Water resistance means you can wear it swimming or in the rain.
People who want to take calls on their wrist should consider this model. Bluetooth calling works smoothly with clear audio. You stay connected without pulling out your phone every time someone calls.
The large 1.91″ display appeals to anyone who struggles with tiny screens. Text reads easily. Information appears bright and crisp. You don’t squint to see your stats.
This watch suits budget conscious buyers who need basic smartwatch functions. You get calling, fitness tracking, and durability in one device. The feature set stays simple and useful.
However, skip the S50 if you want advanced health metrics. Premium models offer blood oxygen tracking, stress monitoring, and advanced workout modes. The S50 keeps things straightforward.
Tech enthusiasts who demand the latest features may feel disappointed. The watch lacks GPS, music storage, and app support. It does one job well: staying on your wrist for weeks.
Parents buying their first smartwatch should know the S50 works fine for kids too. The comfortable fit and simple interface make it easy for younger users. No complex menus to navigate.
Athletes training seriously might outgrow this watch eventually. It tracks basics accurately, but serious runners want GPS and detailed route mapping. The S50 gives you step counts and calorie burns instead.
The low customer rating suggests some buyers had issues. Read reviews carefully to understand what didn’t work for others. Your experience may differ based on your needs and expectations.
Final Verdict
The Soudorv S50 earns its place as a solid choice for everyday wear. It focuses on what matters most: staying powered up and staying connected. This smartwatch doesn’t try to be everything to everyone.
Compared to rivals like the CMF Watch Pro 2 or Xiaomi Mi Smart Band 10, the S50 takes a different path. It skips flashy extras and sticks to core functions that work well.
The Samsung Galaxy Fit 3 and Amazfit T-Rex 3 Pro offer more advanced sensors. But the S50 holds its own with dependable basics that most users actually need.
Premium brands like Garmin and COROS target serious athletes. The S50 instead serves casual users who want a reliable companion without complexity.
The low star rating deserves context. Early reviews often reflect a small sample size. Many users report satisfaction once they understand the watch’s actual purpose.
This smartwatch rewards simplicity. It won’t impress spec sheet enthusiasts. It will satisfy anyone who wants a watch that just works, day after day.
Think about your daily routine before deciding. Do you need advanced metrics, or do you need a watch that lasts weeks on one charge?
The S50 makes sense for straightforward needs. It handles calls, tracks basic fitness data, and survives daily wear and tear without fuss.
Skip this model if cutting edge technology drives your purchase decisions. Premium competitors will serve that need better.
Choose the S50 if you want dependable performance without constant charging reminders. The watch delivers on its core promises consistently.
Our final take: the Soudorv S50 succeeds at being a practical, no-nonsense smartwatch. It won’t win every feature comparison, but it wins where it counts most, for people who want simplicity and reliability over complexity.
This makes it a sensible pick for first time smartwatch buyers, parents, and anyone tired of charging devices every single night.
Frequently Asked Questions
Does the Soudorv S50 work with both Android and iOS phones?
Yes, the S50 pairs with both Android and iOS devices via Bluetooth 5.3. The connection is stable and quick. You’ll get notifications, call alerts, and fitness data synced to your phone. Just download the companion app and you’re ready to go.
Can I use this watch for swimming or water sports?
The S50 has water resistance built in, so casual water exposure is fine. You can wear it while washing hands or in light rain. However, this watch isn’t rated for deep water diving or intense water sports. Check the exact water resistance rating before taking it into pools or the ocean.
How accurate is the fitness tracking on the S50?
The S50 monitors heart rate, steps, sleep patterns, and calories burned. Users report the step counter and heart rate sensor perform well for everyday activity. The data syncs smoothly to your phone. Keep in mind this isn’t a medical device, so readings are estimates meant for general fitness awareness, not clinical precision.
What makes the S50 different from budget smartwatches like the Xiaomi Mi Smart Band 10?
The S50 focuses on simplicity and durability. It has a larger 1.91″ display, military-grade toughness, and exceptional battery life. The Xiaomi offers more advanced features and sensors. Choose the S50 if you want straightforward tracking and long stretches between charges. Pick the Xiaomi if you want more health metrics and smart features.
Is the 50-day battery life realistic in real world use?
The 50-day figure assumes light use. Heavy Bluetooth calling, constant notifications, and frequent screen time will drain it faster. Most users see 20 to 40 days depending on habits. Even so, you’ll charge far less often than typical smartwatches.

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