**Product Specifications:**
**Product Name:** SUNGLASSES
**Features:** Lightweight and flexible, designed for children to provide a clear and colorful view, ensuring a healthy and happy childhood.
**Lens Type:** Polarized lenses to reduce glare and protect children's eyes from harmful UV rays.
**UV Protection:** UV400 protection to shield against harmful rays.
**Frame:** Black frame with red legs for a stylish look.
**Durability:** Designed to withstand impact and rough handling, ensuring long-lasting quality.
**Comfort:** Sturdy mirror axis for easy folding, comfortable to wear for extended periods.
**Patents:** Holds utility model patents for optical blue light and radiation protection glasses, as well as UV-resistant color film-coated lenses.
**Patent Numbers:** ZL.201520556719.3, ZL201520556646.8
**Inventor:** Meirong Sheng
**Patent Applicant:** Nanchang YIDUN Technology Co., Ltd.
**Patent Application Date:** July 29, 2015
**Patent Grant Date:** January 20, 2016
**Patent Duration:** 10 years from the application date.
**Maintenance:** Annual fees must be paid by July 29th each year to maintain patent rights.
**Legal Status:** Patent rights are effective upon grant and may be subject to transfer, licensing, invalidation, or termination.
**Director:** Changyu Tao
Please note that the above information is based on the provided text and may be subject to verification.
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