Luna Ring – The Smart Ring That Might Replace Your Wearable (Full Review Coming Soon!)

For years, fitness trackers and smartwatches have dominated the wearable tech space. However, smart rings are gaining momentum as a more discreet, lightweight, and practical alternative for tracking health and wellness. I’ve been testing the Luna Ring, and it has the potential to redefine how we monitor our health without the bulk of a smartwatch.

The Luna Ring is designed to provide advanced sleep tracking, heart rate monitoring, stress analysis, and AI-powered coaching, all while maintaining a sleek and comfortable design. It competes directly with other leading smart rings but stands out due to its high accuracy, AI-driven insights, and lack of a subscription model. Over the next few weeks, I will be diving deep into its features, usability, and whether it can truly replace other fitness wearables.

What Makes the Luna Ring Stand Out?

The Luna Ring is built to provide a comprehensive health and performance tracking experience without the need for a screen or a bulky device. Some of the features that immediately caught my attention include:

1. Highly Accurate Sleep Tracking

One of Luna Ring’s standout features is its precision sleep tracking, powered by Philips Biosensing algorithms with a reported 98.2 percent accuracy rate. It provides a detailed breakdown of REM, deep sleep, light sleep, and awake time, giving insight into overall sleep quality. Additionally, the ring tracks nighttime movement, respiratory rate, blood oxygen levels (SpO2), and heart rate variability (HRV) to offer a complete picture of sleep health.

Unlike smartwatches that can feel cumbersome while sleeping, the Luna Ring is lightweight, made from durable titanium, and designed for all-night comfort.

2. AI-Powered Coaching for Health and Fitness

The Luna Ring includes an AI health coach designed to offer personalized insights and recommendations based on individual health data. Whether it's suggesting optimized sleep schedules, workout intensity adjustments, or nutrition recommendations, the AI adapts to your habits and provides actionable feedback.

Luna’s AI is built from a dataset of over 20 million users, making it one of the most advanced machine-learning health assistants in the smart ring space. Unlike traditional fitness trackers that give raw data, Luna interprets it and provides contextual insights to improve daily well-being.

3. Continuous Health Monitoring

Beyond sleep, the Luna Ring measures a wide range of real-time health metrics, including:

  • 24/7 heart rate tracking for resting and active states

  • Stress monitoring, analyzing HRV and body temperature fluctuations

  • Menstrual cycle tracking for women, including fertility prediction and symptom logging

  • Calorie burn estimation based on movement and heart rate data

  • Real-time temperature tracking, recording skin temperature every five minutes during sleep

Luna’s activity tracking automatically detects when you’re moving and categorizes high, medium, and low-intensity activity, ensuring a more accurate reflection of daily exertion levels.

4. No Subscription Fees – One-Time Purchase

Many smart wearables lock premium features behind a subscription model, requiring users to pay monthly fees to access detailed health insights. The Luna Ring is one of the few products that provides full access to all features with a one-time purchase.

This is a major advantage over competitors like Oura, Ultrahuman, and Whoop, which require ongoing fees for detailed insights and historical data.

5. Built for Durability and Comfort

Designed with a fighter jet-grade titanium shell, the Luna Ring is lightweight yet durable. It is also water-resistant up to 50 meters, making it suitable for activities like swimming, showering, and even some water sports.

The interior features a hypoallergenic, non-metallic lining, ensuring comfort for long-term wear, even for those with skin sensitivities.

6. Long-Lasting Battery Life

Battery life is always a concern with wearables, and the Luna Ring performs well in this area. It features a battery capacity of 13.5 to 21.5 mAh, which translates to an expected battery life of up to seven days on a single charge. A full recharge takes approximately 90 to 120 minutes, allowing for quick top-ups when needed.

How Does It Compare to Other Smart Rings?

The smart ring market is growing, with brands like Oura, Ultrahuman, and Circular competing for dominance. Luna Ring holds its own in several key areas:

  • Price: Luna Ring costs $300, compared to Oura ($299 - $549) and Ultrahuman ($349).

  • Subscription Fees: Luna Ring requires no subscription, while Oura charges $5.99 per month for premium insights. Ultrahuman also has no subscription fees.

  • Battery Life: Luna Ring lasts 6-7 days on a single charge, which is similar to Oura (4-7 days) and Ultrahuman (5-6 days).

  • Sleep Tracking Accuracy: Luna Ring’s 98.2 percent accuracy is among the best in the industry, competing with Oura and Ultrahuman.

  • Heart Rate Monitoring: All three rings provide continuous heart rate tracking for resting and active states.

  • Skin Temperature Tracking: Luna Ring, Oura, and Ultrahuman all include real-time skin temperature tracking.

  • AI-Powered Coaching: Luna Ring is the only one offering AI-driven workout and nutrition coaching. Oura and Ultrahuman lack this feature.

  • Menstrual Health Tracking: Luna Ring and Oura support menstrual health tracking, while Ultrahuman does not.

  • Water Resistance: Luna Ring is water-resistant up to 50 meters, compared to 100 meters for Oura and Ultrahuman.

  • Weight: Luna Ring weighs 3-4 grams, making it slightly lighter than Oura (4-6 grams) and comparable to Ultrahuman (2.4-3.4 grams).

Upcoming Video Review

I will be testing the Luna Ring over the next few weeks to determine:

  • Does it live up to its claims of accuracy and AI-powered coaching?

  • How does it compare in real-world usage to Oura and other leading smart rings?

  • Is it comfortable enough for 24/7 wear?

  • Does the battery actually last a full week?

My in-depth video review will cover all these aspects and more. If you’re considering the Luna Ring, you can get an exclusive 10 percent discount using my affiliate link below:

https://shop.lunazone.com/ryanmercer

Or my Luna Ring discount code: RYANMERCER10

Stay tuned for the full video review, and let me know in the comments—would you switch to a smart ring over a smartwatch?

Exploring the Creativity of 3D-Printed Containers

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The world of 3D printing opens up endless possibilities for creating custom, functional, and visually appealing designs. In my latest project, I took on the challenge of printing a variety of unique containers, each tailored for specific uses. These creations are not only practical but also a testament to the versatility and fun of 3D printing. Let’s dive into the details of these exciting designs and explore how they can inspire your next printing project.

Want to see these containers in action? Check out the accompanying video where I walk through the printing process, showcase each design, and share tips for achieving professional-quality prints. Whether you’re a seasoned 3D printing enthusiast or just starting, there’s plenty of inspiration to fuel your creativity.


A Closer Look at the Containers

1. Coiled Rope Container Inspired by the look of tightly coiled rope, this container brings a rustic, nautical vibe to your desk or countertop. Perfect for storing small items like paperclips, coins, or craft supplies, it’s a fun and functional addition to any space.

2. Pokémon Deck Box Calling all Pokémon fans! This deck box is designed to securely store your favorite trading cards in style. With a sleek and compact design, it’s ideal for collectors and players who want a unique way to keep their decks organized and protected.

3. Longer Pokémon Card Storage Box For those with an extensive collection, this extra-long storage box is a game-changer. It offers ample space for storing multiple decks or individual cards, making it a must-have for serious collectors.

4. GoPro Accessory Container Keep your GoPro accessories safe and organized with this custom container. Designed with compartments for mounts, screws, and other essentials, it ensures you’re always ready to capture your adventures.

5. Other Creative Containers In addition to these themed designs, I experimented with several other container styles, showcasing different shapes, sizes, and purposes. From general storage solutions to highly specialized designs, the possibilities are endless!

Why 3D Print Your Containers?

Customization: Tailor your containers to your exact needs, whether it’s specific dimensions, themes, or functional features.

Cost-Effectiveness: Create high-quality, durable storage solutions without breaking the bank.

Sustainability: Reduce waste by printing only what you need, using eco-friendly filaments for an environmentally conscious approach.

Creativity: Experiment with unique designs and finishes to add a personal touch to your space or collection.

Tips for Successful Container Printing

  • Choose the Right Filament: For durable and long-lasting containers, opt for materials like PLA+, PETG, or ABS.

  • Ensure Proper Adhesion: Use a heated bed and the right adhesive solutions to prevent warping.

  • Fine-Tune Your Settings: Adjust wall thickness and infill density based on the intended use of the container.

  • Add Personal Touches: Use multi-material printing or post-processing techniques to customize colors and finishes.


Bambu Lab PLA Wood Filament: A Review

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3D printing enthusiasts are always on the lookout for materials that add a touch of uniqueness and creativity to their projects. The Bambu Lab PLA Wood filament offers just that by combining high-quality PLA with fine wood powder to create stunning, natural-looking prints. In this review, we explore its features, benefits, and practical applications to help you decide if it’s the right choice for your next project.

Ready to see it in action?


What is Bambu Lab PLA Wood Filament?

Bambu Lab’s PLA Wood filament is an innovative material that blends traditional PLA with fine wood powder. This combination gives 3D prints a realistic wood-like appearance and texture, elevating them from standard PLA models to creations with an organic, handcrafted feel. Its matte finish and subtle wood grain texture enhance the aesthetic appeal, making it perfect for artistic and decorative projects.

Key Features of Bambu Lab PLA Wood Filament

1. Feels Like Real Wood The filament mimics the look and feel of real wood, complete with a slightly grainy texture and natural wood tones. It even emits a subtle wood scent during printing, adding to the authenticity of the experience.

2. Matte Finish, Fine Texture The matte finish effectively hides layer lines, resulting in smooth and refined prints. This feature is particularly beneficial for creating models that demand a polished, high-quality appearance.

3. Versatile Integration Bambu Lab PLA Wood seamlessly integrates with other PLA filaments, allowing you to mix and match textures and colors for creative, multi-material designs. Its compatibility with Bambu Lab’s AMS (Automatic Material System) simplifies the printing process.

4. Eco-Friendly Appeal By incorporating wood powder, this filament offers an environmentally friendly option that’s ideal for projects with a natural aesthetic.

Printing Tips for Optimal Results

To achieve the best quality prints with Bambu Lab PLA Wood, consider the following tips:

  • Drying the Filament: As the filament is sensitive to moisture, it’s crucial to dry it before use. This ensures consistent texture and prevents imperfections.

  • Nozzle Selection: Use a nozzle size of 0.4 mm or larger, preferably a hardened steel nozzle, to accommodate the wood particles and avoid clogging.

  • Recommended Settings:

    • Nozzle Temperature: 190–240°C

    • Bed Temperature: 35–45°C (with glue for adhesion)

  • Storage: Store the filament in a sealed container with desiccant to maintain its quality over time.

Applications of PLA Wood Filament

Bambu Lab PLA Wood is perfect for a variety of applications, including:

  • Artistic Creations: Sculptures, decorative models, and crafts.

  • Functional Designs: Custom furniture components, unique handles, or household items.

  • Prototyping: Develop prototypes with a natural wood-like finish to impress clients and stakeholders.

  • Personalized Gifts: Create bespoke gifts such as engraved plaques, ornaments, and photo frames.

Why Choose Bambu Lab PLA Wood?

The Bambu Lab PLA Wood filament stands out due to its realistic wood-like properties, high-quality finish, and ease of use. Its ability to integrate with other PLA filaments expands the creative possibilities for designers, artists, and hobbyists. Whether you’re crafting a one-of-a-kind piece or experimenting with multi-material designs, this filament offers versatility and reliability.

Bambu Lab PLA Wood filament is a game-changer for anyone looking to add a natural, handcrafted aesthetic to their 3D prints. With its realistic wood texture, matte finish, and compatibility with standard PLA settings, it’s a must-try material for artistic, functional, and decorative projects alike.


"Transform Your 3D Prints with UJOYBIO Filaments – Plus 20% Off with Code ryanmercer

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UJOYBIO 20% off coupon code: ryanmercer

Are you searching for high-quality filaments to take your 3D printing projects to the next level? Look no further! In my latest video, I tested UJOYBIO’s Metallic PLA Silver, Hyper PLA Plus Grey, and Hyper PLA Plus Black. These filaments combine vibrant colors, reliable performance, and a commitment to eco-friendly materials—perfect for creators of all kinds!

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In the video, I dive deep into the quality and unique characteristics of each filament. Whether you're creating functional parts or artistic designs, UJOYBIO's materials deliver exceptional results every time.

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💡 Why Choose UJOYBIO?
UJOYBIO is a leader in innovative 3D printing materials. Their filaments are:

  • Eco-Friendly: Made with sustainable practices and biodegradable materials​.

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Ready to try UJOYBIO filaments? Use coupon code ryanmercer at checkout to save 20%! This exclusive offer makes it easier than ever to experience the quality and performance of these amazing filaments.

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  1. Metallic PLA Silver: Create prints with a striking, reflective finish that mimics metal. Perfect for jewelry, decor, and detailed models.

  2. Hyper PLA Plus Grey: Combines strength and aesthetics, making it suitable for both prototypes and finished products.

  3. Hyper PLA Plus Black: A classic choice for professionals, offering unmatched depth and durability.

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UJOYBIO filaments are ideal for hobbyists and professionals alike. Whether you're a beginner or a seasoned maker, these materials deliver top-tier performance.

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Join me as I create some festive 3d printer magic with these Christmas tree designs! 🎄 Using my Bambu lab setup, I'm bringing some special Christmas decorations to life that will add the perfect holiday decor touch to any space. The Christmas music playing in the background really gets me in the festive spirit while printing these pieces!


Printer used: Bambu Lab X1 Carbon: https://shrsl.com/4nuzt

Expanding Christmas Tree Decor: https://makerworld.com/en/models/775809#profileId-712406

Articulated Tiny Christmas Tree: https://makerworld.com/en/models/766044#profileId-701352

Small 'Christmas tree' Passthough Fidget toy: https://makerworld.com/en/models/744261#profileId-676976

Rope Christmas Tree: https://makerworld.com/en/models/65486#profileId-68853

Extra Large Christmas Tree: https://makerworld.com/en/models/63172#profileId-65983

Christmas tree with Tealight: https://makerworld.com/en/models/726951#profileId-658353

ComMarker B4 20W Laser Engraver Review and Discount Coupon Code

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Save with ComMarker Discounts and Coupons: ComMarker B4 20W Laser Engraver Review

Looking for a ComMarker discount code or coupon code use: ryanmercer to save big on your next fiber laser engraver? Discover the ComMarker B4 20W Laser Engraver, a compact powerhouse designed for speed, precision, and versatility. Perfect for metal engraving and other detailed work, this engraver is an excellent choice for professionals and hobbyists alike.

Key Features of the ComMarker B4 20W:

  • Engraving Speed: Up to 15,000mm/s for efficient workflows.

  • High Precision: Achieve stunning detail with 0.01mm precision and 0.3mm engraving depth on metal.

  • Generous Work Area: A 200mm x 200mm marking area supports a wide range of projects.

  • Portability: Lightweight at just 11kg, making it easy to transport.

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Save BIG now and elevate your engraving projects! Check out the ComMarker B4 20W today and use exclusive ComMarker coupon ryanmercer or discounts to maximize your savings.

Explore the ComMarker B4 20W Laser Engraver and claim your discount here:

Testing the New Bambu SuperTack Cool Plate For 3D Printing

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Get the new SuperTack cool plate here: https://shrsl.com/4qyt3

Printer used - Bambu Lab X1 Carbon: https://shrsl.com/4nuzt

Filament used in this video: https://shrsl.com/4qxz7

This is my first time using a cool plate for my 3D printing. TLDW: I love this thing! The bed adhesion is great!

Bambu Cool Plate SuperTack Offers:

  • Ultra-Strong Adhesion for PLA and PETG

  • SuperTack provides outstanding adhesion, effectively reducing warping risks, especially on large prints.

  • Long-Lasting Performance

  • Built for durability, SuperTack’s adhesion strength declines by less than 20% even after 300 prints, as shown in our lab tests (Test data: PLA Basic on Bambu Lab A1).

  • Smoother Bottom Surfaces

  • SuperTack helps create a smooth, high-quality finish on the bottom surface of your models.

  • Energy Efficient

  • SuperTack delivers strong adhesion at low bed temperatures, helping you save energy on every print.

Testing CC3D Silk Copper PLA 3D Printer Filament

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Testing the CC3D Silk Copper PLA 3D Printer Filament! This shiny metallic filament promises stunning prints with a smooth, copper-like finish—perfect for decorative projects. In this video, I put it through its paces, checking for print quality, ease of use, and that signature metallic luster. Is it worth adding to your filament collection?