**Product Specifications:**
**Brand:** Bertha
**Origin:** Imported from Germany
**Style:** Ultra-thin folding reading glasses
**Closure:** Only 3mm when folded
**Comfort:** Lightweight and pressure-free, weighing only 7g
**Material:** Premium alloy for durability and comfort
**Hinge Test:** Passed 10,000+ hinge opening and closing tests
**Features:** Quick transformation into a phone-mounted reading glasses, lightweight and compact design, flexible temple arms, high-definition blue light protection, no dizziness when worn
**Usage:** Ideal for gifting to parents for clear and comfortable vision
**Design:** Minimalist design for easy storage
**Lens:** German-made for clarity and eye protection
**Additional Features:** Suitable for various occasions such as business meetings, chatting, typing, stair climbing, and entertainment
**Patent:** Patent number 202222444411.2
**Certification:** Genuine product with patent certification
**Product Parameters:** Detailed product specifications
**Product Display:** Front, side (45° angles)
**Blue Light Protection Report:** Certified by MAA, CNAS, F, 20151912352
**Customs Documents:** Import declaration documents from German Customs and Chinese Customs
**Quality Assurance:** Ensured by rigorous testing and certification processes
