New proprietary StayHear+ ear tips feature an improved conical design for a better fit in the ear and to block external noise.

Owners can use the BoseQuietComfort 20s in one of two ways: either with full noise cancelling engaged, or in 'Aware mode' which keeps the music playing, but allows external sounds such as a car horn beeping or a friend talking to be heard. The headphones include an integrated in-line mic and controls that enable you to take phone calls. Also announced by Bose today is its SoundLink Mini Bluetooth speaker, available from July 11th. And Bose uses DSP (digital signal processing) to create a "tonally balanced sound at any listening level". The Bose SoundLink Mini uses Bluetooth A2DP, comes with a charging cradle and has a lithium-ion battery good for a claimed seven hours of listening. Bose engineers have placed two tiny microphones in each earbud: one senses the sound approaching, the other measures the sound inside.

The chip – exclusive to Bose – calculates an equal and opposite noise cancellation signal within a fraction of a millisecond.
It's designed to fit in the palm of your hand, connects wirelessly via Bluetooth to a laptop, smartphone or tablet, and comes in an aluminium housing.

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