This document provides information about the Bose® QuietComfort® 3 Acoustic Noise Cancelling® Headphones. It includes safety information, warnings, and guidance on the use and handling of batteries.
This owners guide explains how to safely use the Bose QuietComfort 3 acoustic noise‑cancelling headphones, including battery handling, charging procedures, and important safety warnings. It also covers how to wear the headphones correctly and how to connect them to various audio sources.
The manual includes detailed steps for first‑time battery charging, battery life expectations, cleaning, and troubleshooting, as well as instructions for using the supplied 3.5 mm cable and adapters for different audio equipment. This manual is written in Chinese.
| First‑charge time | approximately 2 hours |
|---|---|
| Battery runtime | about 20 hours |
A fully charged battery provides about 20 hours of playback time.
The first charge should be about two hours to fully charge the new battery.
The headphones use a 3.5 mm plug, and a 1/4 in. (6.3 mm) stereo adapter is supplied for larger audio equipment.
The guide advises not to use the headphones while driving a motor vehicle because external sounds may not be heard.