**Product Specifications:**
**Brand:**
**Market Share:** Widely popular among Chinese users, with over 45 million users.
**Sales Data:** Over 20 years of retail sales data, with the brand established for 25 years.
**Quality Assurance:** All products pass national quality inspections and certifications from authoritative institutions.
**Patents:** Holds multiple invention patents and certifications for intelligent manufacturing capabilities.
**Blue Light Protection:** Professionally tested and certified to effectively block harmful blue light.
**Design:** Ergonomic design for comfort, suitable for various face shapes.
**Materials:**
- Frame: Premium alloy, lightweight at 11 grams.
- Lens: Ultra-thin PC blue light blocking lens.
**Model Options:** E9008W/E9005Z
**Frame Colors:** Gun color/Purple
**Gender:** Unisex
**Weight:** 21 grams (for 150 degrees)
**Face Shapes:** Suitable for square, long, diamond, oval, and round face shapes.
**Age and Prescription Reference:**
- Age: 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75+
- Prescription: +100 to +400 degrees
**Features:** Silicone nose pads for comfort, non-slip legs for a secure fit.
**Usage:** Designed for elite users, durable and stylish for everyday wear.
**Additional:** Tested and designed based on 25 years of sales data from brand.