**Product Specifications:**
**Brand:** Blutech
**Authenticity Guarantee:** Includes customs declaration, tax payment proof, and authorization letter
**Customs Clearance:** Verified by Shanghai Pujiawei Customs
**Payment Method:** Specialized payment voucher for Blutech products
**Model:** NTA (5)
**Date of Manufacture:** June 21, 2018
**Authorization Documentation:** Letter of Authorization
**Authorized Distributor:** HangZhou Innovation Vision Trading Co., LTD
**Authorized Usage:** Exclusive distribution to eye care practitioners for prescription and dispensing of eyeglasses to their patients in China
**Authorized Territory:** China
**Contact Information:** Office Manager, Blutech LLC, 800-258-5002
**Color:** Classic black frame