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Portable Magnetic Neck-Hanging TR Reading Glasses with Replaceable Lenses Model 844

As a professional China eyewear manufacturer, we present the 844 magnetic neck-hanging reading glasses, a revolutionary design crafted from premium TR material, combining ultimate portability, hands-free convenience, and durable comfort for daily presbyopia use.
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Product Overview & Core Highlights

Model: VIC-R844 | TR Material Magnetic Neck-Hanging Reading Glasses with Replaceable Lenses


Product Overview


As a professional China eyewear manufacturer, we proudly present the 844 magnetic neck-hanging reading


 glasses, an innovative, user-centric design crafted from premium TR material, tailored for global B2B wholesale


 and retail partners. This product redefines daily presbyopia eyewear by combining hands-free convenience, ultra-


light comfort, and versatile functionality, addressing the core pain points of traditional reading glasses (easy loss,


 inconvenient portability, limited lens compatibility).


Designed for end-users across North America, Europe, South America, and key markets like Mexico and Brazil, the 844 model features a patented magnetic neck-hanging system, a replaceable lens structure, and a durable TR frame, making it a high-turnover staple for optical shops, pharmacies, and e-commerce platforms. With 6 market-proven color options and flexible OEM/ODM support, it perfectly aligns with diverse regional fashion trends and consumer needs, delivering strong profit margins for wholesale partners.

Prescription Compatibility & Lens Options      

The 844 model is engineered with a universal, replaceable lens frame structure, fully compatible with a wide range of prescription and functional lenses, making it a versatile solution for optical retailers, opticians, and end-users with diverse vision needs. Its precision-machined lens groove and stable TR frame ensure a secure, long-lasting fit for all standard lens types, eliminating the risk of lens shifting or falling out during daily wear.


Replaceable Lenses Glasses


Detailed Product Specifications

Technical Parameters

Specification

Details

Model Number

VIC-R844

Frame Shape

Rectangular with rounded corners

Size

58-15-143 (lens width-bridge width-temple length)

Frame Material

High-Grade TR90 Injection-Molded Plastic (flexible, lightweight, impact-resistant)

Color Options

6 Colors (Black, Red, Gray, Blue, Brown, Transparent)

Diopter Range

+1.00D to +4.00D (adjustable in 0.25D steps)

Lens Treatment Clear lenses (anti-scratch/anti-glare/anti-blue light optional)

Features

Infinity loop neck-hanging temples, interchangeable lens system optional)

Wholesale MOQ

Flexible (supports small-batch trials & large-volume bulk orders)


1. Core Design Adaptations for Global Markets

Market Focus Design Feature Market Rationale
Universal Fit for All Regions 58-15-143 medium-large sizing Fits most face shapes across North America, Europe, Latin America, and the Middle East, reducing size-related return rates.
Multi-Color Palette for Regional Tastes 6 color options (Black/Red/Gray/Blue/Brown/Transparent) - Mature markets (EU/US): Neutral tones (Black/Gray/Transparent) for daily & prescription use- Emerging markets (Latin America/Middle East): Bold colors (Red/Blue/Brown) for fashion & sports appeal- Youth markets: Transparent/bright shades for trend-driven demand
TR90 Material for Global Compliance Medical-grade, hypoallergenic TR90 Meets EU REACH, US FDA, and global safety standards, suitable for sensitive skin in all regions.
Replaceable Lens System Tool-free, easy lens swap design Compatible with prescription, blue light, reading, and clear lenses, catering to optical retailers, online sellers, and sports brands worldwide.

Premium Finish Design

  • Matte/Gloss Dual Finish: Frame front has a scratch-resistant matte finish for durability, while temples feature a subtle glossy accent for a premium look.

  • Smooth Edge Design: All frame edges are polished to a rounded finish, eliminating sharp corners for comfort and safety


1. Core Structural & Material Design


TR90 Frame Construction

  • Material Spec: Premium medical-grade TR90 (Grilamid thermoplastic polyamide), a high-performance polymer with shape memory properties.

  • Design Benefits:

    • Ultra-Lightweight: Frame weight (without lenses) is only ~18g, eliminating nose bridge pressure and ear fatigue for all-day wear.

    • Unbreakable Flexibility: Can be bent 360° without permanent deformation, ideal for sports, kids/teens, and rough daily use.

    • Temperature & Impact Resistance: Withstands -30°C to 120°C, resists cracking in extreme cold/heat, and meets ANSI Z80.3 impact safety standards.

    • Hypoallergenic & Skin-Safe: 100% nickel-free, non-toxic, and UV-stabilized, suitable for sensitive skin and long-term sun exposure.

Replaceable Lens System (Tool-Free)

  • Design Innovation: Snap-in, tool-free lens retention mechanism, engineered for 10-second lens swaps without professional tools.

  • Retail & User Value:

    • Compatible with all lens types: prescription, blue light blocking, reading, clear, and polarized sun lenses.

    • Reduces SKU complexity for retailers: one frame can be sold as 5+ different products (prescription, reading, blue light, sports, fashion).

    • Enables end-users to customize their glasses for different scenarios (work, sports, travel) with a single frame.


2. Magnetic Anti-Loss Neck Band System (Patent-Pending Design)


Integrated Magnetic Connection

  • Design Spec: High-strength neodymium magnets embedded in the temple tips, paired with a flexible TR90/silicone composite neck band.

  • Key Features:

    • One-Secure Fit: Magnets snap into place with a tactile "click", ensuring zero slippage during running, cycling, gym workouts, or outdoor activities.

    • Hands-Free Convenience: When not in use, the frame hangs securely around the neck, eliminating the risk of loss or damage.

    • Comfort-First Design: The neck band is soft, flexible, and non-restrictive, with no sharp edges or pressure points.

    • Detachable & Interchangeable: The band can be easily removed for traditional wear, giving users 2-in-1 functionality.

3. Ergonomic Fit & Comfort Design

Universal Fit Geometry

  • Size Optimization: 58-15-143 medium-large sizing, engineered to fit 90% of adult and teen face shapes globally.

  • Ergonomic Temple Design:

    • Flexible, Non-Slip Temples: Curved TR90 temples with a soft silicone grip, conforming to the head shape for a secure, custom fit.

    • Adjustable Nose Pads: Integrated, non-slip TR90 nose pads that distribute weight evenly, preventing sliding during sweat or activity.

  • Unisex Aesthetic: Timeless rectangular frame shape that complements all face types (round, square, oval, heart-shaped) and genders.


4. B2B Retail & Customization Design


Private Label & Branding Ready

  • Logo Placement Design: Dedicated, unobtrusive logo areas on the temple arms, optimized for laser engraving, pad printing, or metal logo attachment.

  • Customization Flexibility:

    • Custom color matching for brand-specific collections.

    • Custom packaging options (retail boxes, polybags, brand inserts) for private label clients.

    • Compatible with all standard optical lens edging machines, ensuring easy prescription fitting for opticians.

Supply Chain Optimized Design

  • Lightweight Construction: ~18g frame weight reduces international shipping costs for bulk orders.

  • Durable Packaging Design: Compact, stackable frame design maximizes container space for global shipping.

  • Low MOQ Compatibility: Mixed-color order support for small to mid-sized retailers and startups.



5. Use Case-Specific Design Optimizations


For Active/Sports Users

  • Sweat-Resistant Material: TR90 is non-porous, repels sweat, and prevents odor buildup.

  • Secure Fit System: Magnetic neck band + non-slip temples eliminate slippage during high-intensity activity.

  • Impact-Resistant Frame: Protects lenses and eyes during sports accidents.

For Prescription Wearers

  • Stable Lens Retention: Snap-in mechanism ensures lenses stay securely in place, even with heavy prescription lenses.

  • Wide Lens Opening: 58mm lens width accommodates high-index lenses for strong prescriptions.

  • Lightweight Frame: Reduces the "heavy lens" burden for high-prescription users.

For Blue Light/Reading Glasses Users

  • Versatile Frame Shape: Ideal for computer use, reading, and daily wear.

  • Replaceable Lenses: Enables users to swap between reading, blue light, and clear lenses as needed.


  • 6.QC Questions & Answers

  • 1. About Material Quality

  • Q: Is the frame made of genuine TR90 material?
    A: Yes, this frame adopts high-quality pure TR90 material, with excellent flexibility, light weight, and no deformation after long-term bending.
  • Q: Will the frame crack or break easily?
    A: No. TR90 has high impact resistance and toughness; it is not easy to crack or break even under extrusion and bending.

  • 2. About Magnetic Function

  • Q: Is the magnetic connection firm and durable?
    A: Yes, high-strength neodymium magnets are used. The magnetic attraction is stable, not easy to fall off, and will not weaken after long-term use.
  • Q: Will the magnet rust or demagnetize?
    A: No. The magnet is sealed and protected inside the temple, waterproof and anti-rust, maintaining stable magnetism for a long time.
  • 3. About Size & Craftsmanship

Q: Are the frame sizes accurate?

A: All frames are produced with strict mold control. Lens width, bridge width, temple length have high consistency, with tolerance within ±0.5mm.

Q: Is the surface finish smooth and burr-free?

A: Yes. Each frame goes through polishing and edge smoothing treatment, with no sharp burrs, no scratches, and comfortable to wear.

4. About Color & Appearance

Q: Will the color fade or peel off?

A: No. The frame uses integrated coloring process, the color is uniform and firm, not easy to fade, peel off or change color.

Q: Is there color difference between batches?

A: Strict color matching and inspection are carried out for each batch, and the color difference is controlled to a minimal level, basically invisible to the naked eye.

5. About Lens Compatibility

Q: Is the frame compatible with standard optical lenses?

A: Yes. The frame structure conforms to international optical standards, compatible with prescription lenses, blue light lenses, reading lenses, etc.

Q: Will the lens be loose after installation?

A: No. The lens slot is precisely designed, the lens is firmly clamped, not easy to loosen or fall off.







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