FeltzGood
Smart Bluetooth 5.3 UV400 Polarized Glasses with Open-Ear HD Speakers & Noise-Canceling Mic | Blue Light Blocking Sunglasses with Voice Assistant
Sunglasses Size Guide
Finding the perfect fit is just as important as finding the perfect style. All FeltzGood frames feature standard sizing numbers printed on the inside of the temple arm (e.g., 50-20-140).
- Lens Width (50): The horizontal width of one lens. Determines how wide the frame sits on your face.
- Bridge Width (20): The distance between the lenses. Affects how the glasses sit on your nose.
- Temple Length (140): The arm length from hinge to tip. Ensures the glasses sit securely over your ears.
| Frame Size | Lens Width | Best For |
|---|---|---|
| Small / Narrow | Under 50mm | Vintage/steampunk styles, narrow faces |
| Medium / Standard | 50mm - 54mm | Average face widths |
| Large / Oversized | 55mm+ | Oversized square/cat-eye styles |
The Credit Card Test
Need a quick way to measure? A standard credit card is exactly 54mm wide. Hold one vertically against the center of your nose (as shown):
• If the edge ends perfectly at the outer corner of your eye, you are a Medium.
• If the card extends past the edge of your eye, you are a Small.
• If the card doesn't reach the edge of your eye, you are a Large.
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Smart Bluetooth 5.3 Glasses – Clear Calls, Smart Style, Everyday Comfort
Upgrade your eyewear with the latest Smart Glasses featuring Bluetooth 5.3 technology, designed for crystal-clear calls, immersive sound, and stylish protection. Perfect for daily wear, outdoor activities, and work-from-anywhere lifestyles.
✨ Why You’ll Love Them:
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📞 Bluetooth 5.3 Connectivity – Stable, fast pairing with your smartphone for seamless performance.
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🎶 Open-Ear HD Speakers – Enjoy music, podcasts, and calls while staying aware of your surroundings.
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🎤 High-Sensitivity Noise-Canceling Microphone – Make and receive calls with clarity, even in noisy environments.
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👓 Blue Light Blocking Lens – Reduce eye strain from screens while protecting your vision.
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🤖 Voice Assistant Compatible – Connect with Siri, Google Assistant, or Alexa hands-free.
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🔋 All-Day Comfort & Battery – Lightweight design with long-lasting power for work, travel, and entertainment.
💡 Perfect For:
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Professionals who take calls on the go.
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Gamers and remote workers needing blue light protection.
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Travelers, drivers, and cyclists who want open-ear awareness.
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Tech lovers looking for stylish, functional smart eyewear.
Experience the future of eyewear with Bluetooth Smart Glasses—a stylish mix of fashion, comfort, and cutting-edge technology.
