User Manual

FCC ID 2AVJD-K521B

Wireless earphones

Shenzhen Ruianyuan Electronic Technology Co., Ltd.

1. FCC ID
2. Shenzhen Ruianyuan Electronic Technology Co., Ltd.
3. 2AVJD-K521B
4. User Manual

Document ID #8816401

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=8816401
• https://fccid.io/2AVJD-K521B/User-Manual/User-Manual-8816401
• https://fccid.io/2AVJD-K521B/User-Manual/User-Manual-8816401.pdf

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