S661 Controller Manual Exclusive 2021 Guide

: Hold Volume+ and Volume- simultaneously while playing music to switch between Standard and Vocal Booster modes. Battery Check : Click either volume button while paused.

💡 : Whether you are syncing a second Bluetooth device or calibrating a CMOS sensor pulse, the S661 manual is the essential tool for unlocking the hardware's proprietary "Surround Mode" and "Rate Counting" logic. s661 controller manual exclusive

: Triple-click (back) or hold 2s (assistant). 3. Advanced Audio Features : Hold Volume+ and Volume- simultaneously while playing