The SENA RC3 wireless earphone controller user manual provides charging, operation, safety, and compatibility instructions.
This manual explains how to charge and operate the SENA RC3 wireless earphone controller. It includes step‑by‑step instructions for connecting the controller, using the charging port, and interpreting the battery level indicator.
The document also covers safety and regulatory information, noting that the controller complies with FCC, CE, and IC standards and must be charged with a 5 V / 1 A charger. Battery care tips and compatibility notes for various headsets are provided. This manual is written in Chinese.
| Battery level indicator ranges | 70 %–100 %, 30 %–70 %, 0 %–30 % |
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It shows three ranges: 70 %–100 %, 30 %–70 %, and 0 %–30 %.