Below you will find brief information for Elite Active 75t, Elite 65t, Elite Active 65t, Evolve 65t MS, Evolve 65t UC, Elite Active 45e, Elite 85h, Evolve 65e MS, Evolve 65e UC, Elite 75t. This document provides instructions on how to adjust the bass for music listening using the Jabra Sound+ app. You can adjust the bass using the Music equalizer or the Bass boost preset. The EarGel fit is crucial for the full audio experience. You can download Jabra Sound+ from Google Play or the App Store. The document also lists applicable products, including different models of Jabra Elite and Evolve series.