**Product Specifications:**
**Brand:** (Yupintang)
**Features:**
- Protects eyes from harmful blue light emitted by LED screens and digital devices
- Control and command HD vision
- Accurate prescription for comfortable wear
- Scratch-resistant and durable lenses
- Convenient to carry
- Provides high-definition, anti-blue light vision
**Protection:** Effectively blocks harmful blue light to protect eye health
**Lens:** High-definition anti-blue light lenses filter out harmful blue light and restore true colors for a comfortable viewing experience
**Prescription Accuracy:** Precise prescription quality tested with professional focusing equipment, adhering to national standards GB13511.15.8
**Frame:** Flexible and durable with smooth opening and closing, ergonomic hinge design
**Comfort:** Nose pads designed to reduce pressure and discomfort, suitable for long-term wear
**Product Information:**
- Model: 7911
- Frame Color: Black
- Frame Material: TR90
- Gender: Unisex
- Frame Weight: 7.2g (excluding lenses)
- Dimensions: 52mm (lens width), 37mm (lens height), 19mm (bridge width), 140mm (temple length)
**Quality Assurance:**
- Products tested and certified by national eyewear quality supervision centers
- Complies with national and international quality standards
- Recognized by CNAS and other quality assurance organizations
*Note: The above information is based on testing conducted at the flagship store laboratory of (Yupintang). Actual results may vary due to testing conditions.*
