**Product Specifications:**
**Brand:**
**Lens:** Selected, anti-blue light high-definition lenses that block harmful blue light while allowing beneficial blue light to pass through for clearer vision and undistorted colors. Blocks harmful blue light, ultraviolet rays, and infrared rays in the range of 200-1000nm.
**Frame:** Non-slip mirror foot design for a comfortable fit and secure grip, specially designed for Chinese users to prevent slipping.
**Accessories:** Portable leather case for full protection and easy carrying, suitable for pockets or bags.
**Product Parameters:**
- Lens Width: 17mm
- Bridge Width: 4mm
- Temple Length: 130mm
- Frame Width: 143mm
- Model: E9004B/G/T/R
- Lens Material: Anti-blue light lens
- Frame Material: TR90
- Frame Colors: Black/Gray/Brown/Burgundy
- Suitable for: Men/Women
- Frame Weight: 5.8g
**Presbyopic Glasses Age and Prescription Reference Table:**
- Age: 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75+
- Prescription: +100, +150, +200, +250, +300, +350, +400
**Color Display:**
- E9004B Black: 45-degree display, front and back view
- E9004T Brown: 45-degree display, front and back view
**Detail Display:**
- Screwless hinge design for a skin-friendly and secure fit, preventing loosening.
