Two-way concealable in-the-mouth communications device that transmits sound to the user's ear by means of bone conduction and captures user's speech by means of a microphone embedded in the device and making contact with the inner surface of the cheek

'bone':22 'captur':25 'cheek':47 'communic':9 'conceal':4 'conduct':23 'contact':40 'devic':10,37 'ear':18 'embed':34 'in-the-mouth':5 'inner':43 'make':39 'mean':20,30 'microphon':33 'mouth':8 'sound':13 'speech':28 'surfac':44 'transmit':12 'two':2 'two-way':1 'user':16,26 'way':3

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