Users could silence incoming calls or snoozing alarms simply by turning the phone face down, a feature managed in the "Sensor settings" menu.
Located near the earpiece, this sensor automatically turned off the touchscreen when the phone was held to the ear during a call to prevent accidental presses. Sensor Music Player For Nokia 5800
The native player was designed for high-quality audio consumption and included: Nokia 5800 XpressMusic Review Users could silence incoming calls or snoozing alarms
A dedicated touch-sensitive key located above the screen provided instant access to a drop-down menu for the Music Player, Gallery, and Web Browser. Built-in Music Player Capabilities and Web Browser.
The featured several hardware sensors that enhanced its music and overall user experience, most notably an accelerometer and a proximity sensor . While the built-in "Music Player" did not use motion for song control by default in its initial release, various third-party applications and later firmware updates leveraged these sensors for interactive playback. Key Sensor Features for Music & Interaction