Jabra Speak2 55 is an upgrade in every sense of the word, bringing dramatically more powerful sound, ultra-advanced microphone technology and added flexibility. Speak 2 55 has four cutting-edge beamforming microphones with state of the art noise-cancellation. It also has revolutionary new Voice Level Normalization. This advanced voice technology equalises all voices to the same volume level, so everyone is free to express themselves in the way that comes naturally, and there's no need to keep fiddling with the volume. Speak2 55 is certified for all leading platforms, with seamless plug and play connectivity.