Audio

Blasting the Vertu Signature's unique sound is a 20 mm AKG speaker and Yamaha sound system. Hidden behind the back plating, a specially designed acoustic cavity projects robust tonal qualities for superior high-fidelity audio through a Vertu logo V-shaped speaker hole.

As sound waves bounce back and forth within the cavity walls increasing in intensity, tones similar to musical instruments (not heard from standard mobile devices) can be created, ranging in concentration as well as pitch.

The Signature comes with 17 preinstalled tones (some melodies but mostly rings), but additional ringtones can be transferred from a PC with the supplied data cable.

A Media Player allows users to listen to short clips, while a 5-level equalizer lets users adjust frequency ranges. Preset levels include Pop, Rock, Jazz, Classical, and 2 user defined settings.

Messaging

Featuring an angular design, the Signature's keypad offers a tactile and smooth response, with each key supported by at least one jeweled ruby bearing.

Much like in watches, ruby bearings are used in places where friction may wear away the underlying material. By using these bearings (which have little value as jewelry, but has inherent hardness), major moving parts are nearly friction-free, significantly prolonging the life of the device.

Integrating usual text messaging standards, the Signature has SMS (Short Messaging Service) and MMS (Multimedia Message Service). Through T9 predictive text, consumers can type easier as the Signature predicts words by using combinations of the selected language.

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