Letter of Model Difference

FCC ID 2BRQO-IOSTSIGNETO1

Smart Ring

Shenzhen Chengchuangwei Technology Co., Ltd.

1. FCC ID
2. Shenzhen Chengchuangwei Technology Co., Ltd.
3. 2BRQO-IOSTSIGNETO1
4. Letter of Model Difference

Document ID #8628763

This document is available from the following links. Linking directly to FCC.gov may result in an error.

• https://apps.fcc.gov/eas/GetApplicationAttachment.html?id=8628763
• https://fccid.io/2BRQO-IOSTSIGNETO1/Letter/Letter-of-Model-Difference-8628763
• https://fccid.io/2BRQO-IOSTSIGNETO1/Letter/Letter-of-Model-Difference-8628763.pdf

Sending you directly to the document available from FCC.gov...