**Product Specifications:**
**Brand:** YIDUN
**Design:** Color-changing design, protects eyes, clear vision, blocks glare, weak and strong UV rays
**Frame:** Comfortable and pressure-free, lightweight material reduces pressure on the nose bridge
**Weight:** Approximately 14.6g, lighter than 3 coins (18g)
**Features:** Resilient, lightweight, impact-resistant, anti-blue light
**Blue Light:** Wavelength between 380-495, harmful to eyes like UV rays, causes various eye discomforts
**Lens:** Clear and comfortable, effectively blocks harmful blue light, tested for blue light protection
**Attributes:**
- **Model:** TR1874
- **Gender:** Unisex
- **Weight:** Approximately 14.6g (excluding lenses)
- **Frame Material:** Metal + TR
- **Lens Material:** Resin
- **Function:** Blue light protection, prescription lenses
- **Dimensions:** 147mm frame length, 54mm lens width, 42mm lens height, 19mm bridge width, 144mm leg length
**Optional Colors:** Black gold frame, transparent gold frame, black silver frame, sand black gun frame, transparent gray gun frame
**Details Show:**
- **Frame:** Textured frame, combines texture and comfort
- **Hinge:** Metal hinge, smooth, sturdy, and durable
- **Nasal:** Silicone nose pads, comfortable and pressure-free
- **Leg:** Anti-slip legs, comfortable curvature for secure wear
**Display:** Product showcase
