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""Compact yet powerful 6mm drivers and a special acoustic structure with active noise cancellation deliver clear sound wirelessly — wherever your busy day takes you. Seamless device switching and crisp call clarity in a comfortable design – you won't miss a beat. Signature Technics Clear Sound - Unique acoustic technology gives you great audio detail and rich sound for a rewarding listening experience. *** Intuitive Smart Features - With seamless device switching, crystal-clear call clarity, convenient single-earphone use, easy sound control and long battery life. *** *** All-Day Comfort Design - Low-profile design for comfort throughout the day, and balanced to stay put – even when you're on the go. *** ""