Master & Dynamic's 'MW07 PLUS True Wireless' in-ear headphones are engineered with advanced capabilities, like active noise cancellation, an ambient listening mode that allows you to hear your surroundings and 40-hour total play time. Packaged in a compact stainless steel carrying case that doubles as a charger, this black acetate pair is handcrafted with high-performance 10mm beryllium drivers for crystal-clear sound and come with a variety of silicone 'fit wings' for a comfortable, secure fit.