**Product Specifications:**
**Brand:** YIDUN
**Optional Colors:** Black frame with black-gray lenses, Pink frame with black-gray lenses, White frame with black-gray lenses, Brown frame with brown lenses
**Model:** N/A
**Frame Material:** PC
**Colors:** 4 colors
**Style:** Fashion
**Weight:** 20g
**Gender:** Unisex
**Function:** Collocate
**Features:**
Textured PC frame with fashionable multi-sided design
Comfortable integrated nose pads to prevent pressure marks
Reinforced metal hinges for smooth opening and closing
Curved temple arms for a secure fit
**Product Display:**
Black frame with black-gray lenses: Front display
Pink frame with black-gray lenses: Front display
White frame with black-gray lenses: Front display
Brown frame with brown lenses: Front display
**Certificates:**
Utility Model Patent Certificate No. 4801140
Utility Model Patent Certificate No. 4728124
Utility Model Patent Name: Optical Anti-blue Light and Anti-radiation Glasses
Utility Model Patent Name: UV Coating Color Film Anti-UV Glasses
Inventor: Meirongsheng
Inventor: Meirongsheng
Patent No.: ZL.201520556719.3
Patent No.: ZL201520556646.8
Patent Application Date: July 29, 2015
Patent Application Date: July 29, 2015
Patentee: Nanchang YIDUN Technology Co., Ltd.
Patentee: Nanjing YIDUN Technology Co., Ltd.
Announcement Date: December 9, 2015
Authorization Date: January 20, 2016
The patent rights shall be effective from the date of authorization and last for ten years from the date of application. The patentee shall pay the annual fee in accordance with the patent law and its implementation. Failure to pay the annual fee as required will result in the termination of the patent rights.
**Note:** The above data is based on manual measurements and may have some errors. Please refer to the actual product for accuracy.
