In the bustling world of affordable smartwatches, it's easy to get lost in a sea of similar-looking devices with lofty promises. You want something that looks great, tracks your health, keeps you connected, and doesn't force you to charge it every single night—all without breaking the bank. Enter the Kimeag S81 Bluetooth Waterproof Make Answer Call Digital Smart Watch.
I’ve been testing this watch for the past few weeks, putting its features through their paces in daily life, during workouts, and even in less-than-ideal weather conditions. Is it just another pretty face on your wrist, or does it truly deliver on its ambitious feature set? Let’s dive deep into this comprehensive review.
First Impressions & Design: Style Meets Substance
Right out of the box, the Kimeag S81 makes a strong impression. It features a robust, sporty yet elegant design that wouldn’t look out of place in a boardroom or a gym. The model I tested had a sleek black case paired with a comfortable black silicone strap, but it often comes in multiple color combinations like silver, rose gold, and navy to suit different styles.
The centerpiece is the vibrant 1.9-inch HD full touch screen. It's big, bright, and incredibly clear. Swiping through menus and reading notifications is a breeze, even in direct sunlight. The bezels are reasonably thin for this price point, giving it a modern, high-screen-to-body ratio look. With over 100 cloud-based watch faces available via the companion app, you can customize its appearance to match your outfit or your mood every single day.
The build quality feels solid. It’s lightweight enough for all-day comfort and sleep tracking, but doesn’t feel cheap or fragile. The single physical button on the right side provides a satisfying click and offers a quick way back to the home screen.
Standout Feature: Crystal Clear Call Making & Receiving
This is where the Kimeag S81 truly sets itself apart from many budget competitors. The built-in speaker and microphone are its killer features. Pairing it with your smartphone (both iOS and Android) via Bluetooth is a straightforward process.
Once connected, you can make and answer calls directly from your wrist. The audio quality is surprisingly good. The speaker is loud enough to hear in moderately noisy environments, and the microphone clearly picks up your voice. It’s an absolute game-changer for times when your phone is buried in a bag, you’re on a walk, or you’re cooking and don’t want to touch your screen with messy hands. For parents keeping an ear out for kids or professionals waiting for an important call, this feature offers incredible convenience.
Health & Fitness Tracking: Your 24/7 Wellness Companion
For fitness enthusiasts and health-conscious individuals, the S81 is packed with sensors:
- Heart Rate Monitoring: It provides continuous heart rate monitoring, giving you insights into your resting heart rate and alerting you to unusual spikes.
- Blood Oxygen (SpO2) Monitoring: A feature once reserved for premium wearables, you can now measure your blood oxygen saturation levels on demand—great for checking your recovery after a workout or assessing your overall wellness.
- Sleep Tracking: It automatically tracks your sleep stages (deep, light, and awake), providing you with a sleep score and analysis to help you understand and improve your sleep quality.
- Multi-Sport Modes: With support for over 100 sports modes (like running, cycling, swimming, basketball, and more), you can track specific workout metrics for a wide array of activities.
While it may not have the clinical accuracy of a dedicated chest strap or medical device, the data it provides is consistent and offers fantastic trend analysis for the average user to stay informed about their health.
Daily Utility & Smart Features
The Kimeag S81 is more than just a fitness tracker; it’s a genuine smartwatch extension of your phone.
- Notification Alerts: Get calls, SMS, and app notifications (WhatsApp, Facebook, Instagram, etc.) directly on your wrist. You can read messages in full, ensuring you never miss an important alert while your phone is on silent.
- IP67 Waterproof Rating: Don’t just call it water-resistant. The IP67 rating means it can withstand immersion in up to 1 meter of water for 30 minutes. It’s perfectly safe for washing hands, getting caught in the rain, and even swimming. A huge plus for active users.
- Additional Features: It also includes a weather forecast app, a music controller (to play/pause/skip tracks on your phone), a camera remote (for group photos), sedentary reminders, breath training, and a find-my-phone function.
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Battery Life: The Marathon Runner
Battery anxiety is non-existent with the Kimeag S81. With typical use (including continuous heart rate monitoring and receiving notifications), I consistently got 7-10 days on a single charge. With heavier use (like frequent call usage and GPS-connected workouts), you can still expect a solid 4-5 days.
This is a monumental advantage over smartwatches that need daily charging. It comes with a magnetic charging cable that snaps on securely.
The Companion App: Da Fit
The watch pairs with the “Da Fit” app, which is functional and relatively intuitive. It’s where you dive deep into your health data history, change watch faces, and set up more detailed alerts. The UI isn't as polished as some big-name apps, but it gets the job done effectively and syncs data reliably.
Pros and Cons at a Glance
Pros:
- Excellent value for money.
- Clear call functionality from the wrist.
- Outstanding battery life (7-10 days).
- Vibrant, large 1.9-inch display.
- Comprehensive health tracking (HR, SpO2, Sleep).
- IP67 waterproof rating for swimming.
- Highly customizable with 100+ watch faces.
Cons:
- The companion app (Da Fit) is functional but basic.
- Built-in GPS relies on your phone's GPS.
- Can feel a bit large on smaller wrists.
Final Verdict: Who Is The Kimeag S81 For?
The Kimeag S81 Bluetooth Waterproof Smartwatch is a compelling package that punches far above its weight class. It successfully blends the core features of a high-end smartwatch—crystal clear call functionality, robust health tracking, and a stunning display—with the marathon battery life and affordability of a fitness band.
It is the perfect choice for:
- Anyone looking for their first smartwatch without a huge investment.
- Users who want the convenience of taking calls on their wrist.
- Fitness enthusiasts who need multi-sport tracking and health monitoring.
If you’re looking for a feature-rich, reliable, and incredibly versatile smartwatch that delivers on its promises without demanding a premium price, the Kimeag S81 is undoubtedly one of the best options on the market today.
Affiliate Disclosure: This article contains affiliate links. If you purchase a product through the link provided, I may earn a small commission at no extra cost to you. This helps support the work of reviewing and recommending products.
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