A Smart Working Tool with Rich, Natural Sound: Enjoy stress-free listening and clear calls; a 6mm driver that renders clear and detailed sound, the AZ40M2 earbuds delivers an excellent sound experience with LDAC technology for hi-resolution sound Cancel Out Distracting Noise: The Technics ear buds have active noise cancellation to help eliminate background noise- perfect while traveling travel on planes, trains, and buses Connect to 3 Devices: 3-point multipoint connection to your computer and mobile devices, so you can go from leading a meeting to listening to a podcast to taking a call, seamlessly Call Clarity Even in Noisy Environments: Beamforming Technology captures and transmits your voice clearly on calls, so you can stay focused on your tasks at hand even when you're outside Lightweight, Comfort Fit Design: Experience an in-ear fit with snug stability; 4 sizes of silicone earpieces (XS, S, M, and L) give a customizable fit; IPX4 sweat resistant design For over 60 years, Technics has led Japanese audio innovation—crafting DJ turntables and earbuds that deliver clear, emotionally rich sound with timeless precision.