**Product Specifications:**
**Brand:** one&one
**Manufacturer:** Hengyi Optical Group
**Production:** OEM/ODM for top domestic and international brands
**Standards:** National standards, 40 years of experience
**Certifications:** SGS
**Target Market:** Europe, America, and more
**Features:**
- UV protection with UV400 coating
- Anti-reflective and anti-oil coating
- Impact-resistant lenses
- Easy to clean
- Suitable for prescription glasses wearers
- Lightweight design (15g)
- Quick switch design for easy handling
- High-definition vision
**Lens Technology:**
- 7-layer technology for double protection
- Polarized lenses to reduce glare
- UV400 protection
**Frame Design:** Fashionable and versatile, suitable for various face shapes
**Patents:** H-shaped groove design for better compatibility with different frames
**Product Name:** Prescription Sunglasses
**Patent Number:** ZL 2023 3 0362997.5
**Materials:** TR material for lightweight and comfortable wear
**Size:** 156mm width, 54mm height
**Color Options:** Gradient Purple, Classic Black
**Additional Details:** Metal link pieces for durability
**Package Includes:** Sunglasses, case, cleaning cloth
**Quality Assurance:** Endorsed by Hengyi Optical Group
**Price Range:** $$
**Production Capacity:** 4000 units per month
**Manufacturing Bases:** Xiamen, Tainan, Haicang
**Certifications:** ISO 9001:2015, ISO 14001:2015
**Quality Control:** Intertek certified
**Market Focus:** Prescription eyewear with polarized technology
**Collaborations:** OEM/ODM partnerships with top brands worldwide
**Core Technologies:** Polarized technology mastered in collaboration with Japan, MHL, NZL
