**Specifications:**

**Brand:** Bertha

**Established:** Since 2008

**Product Type:** Crystal Eyeglasses

**Features:**

- Genuine crystal material

- High-definition for eye protection

- Accurate prescription lenses

- Elegant and charming design with Blue Crystalstone

- High-quality frames for a sophisticated look

- Anti-scratch and durable

- Comfortable and stylish for business and fashion

- Anti-aging and fashionable design

**Core Advantages:**

- Elegant Charm with Blue Crystalstone

- Natural crystal processing

- Scratch-resistant and durable

- High clarity and heat absorption

- Long-lasting and resistant to burning

**Additional Features:**

- Lightweight and comfortable

- Resistant to scratches and marks

- Classic design with durability

- Secure fit with no pressure on the nose

- Vacuum-plated for a fresh look

**Design Details:**

- Model: 54017-147C4

- Suitable for all face shapes

- Enhanced hinges for durability

- Silicone nose pads for comfort

**Weight:** 10.5g (frame only, excluding lenses)

**Design Principle:** Ensures a secure fit without squeezing or slipping

**Product Display:** Available in black and silver frames, with front and side views showcasing the high-quality crystal lenses

**Craftsmanship:** Each pair of Bertha crystal eyeglasses is meticulously handcrafted by experienced artisans, resulting in unique natural characteristics such as "cotton wool," ice cracks, or micro-dots inherent to genuine crystal stones.