True Wireless Noise Cancelling Earbuds II EAH-AZ40M2The Technics AZ40M2 True Wireless earbuds let you enjoy rich, natural sound, with the tools you need for stress free listening. For clear calls, AZ40M2 uses beamforming technology to capture and transmit your voice distinctly, with Active Noise Cancelling to reduce outside noise. Three point multipoint connectivity lets you connect 3 Bluetooth enabled devices (like your computer, phone and tablet) simultaneously, for seamless device switching.