This document provides a comprehensive user manual for the SOBAST S21 Bluetooth speaker. It includes detailed instructions in both English and Chinese, ensuring accessibility for a wide range of users. The manual covers essential aspects such as device specifications, including Bluetooth version, transmission distance, power output, battery capacity, and charging information. It also outlines the functions of various buttons, such as power on/off, TWS connection, play/pause, volume control, and track selection.
Furthermore, the manual provides guidance on Bluetooth pairing, troubleshooting tips, and warranty information. It emphasizes the importance of using appropriate chargers and avoiding prolonged use at maximum volume to protect hearing health. The document also includes FCC compliance statements and safety precautions to ensure responsible usage. This user manual serves as a valuable resource for anyone seeking to maximize their experience with the SOBAST S21 Bluetooth speaker.