Sony today released LinkBuds, an ultra-lightweight open-back headphone with a ring-shaped “horn” design. When users WFH or work in the office, they can listen to songs and hear the outside world at the same time. When someone calls the user, they can hear it immediately without removing the headset. The earphone adopts a very unique ring-shaped design and is extremely light, which is much lighter than many bone conduction earphones. The sound unit surrounds this small ring. While listening to music , watching YouTube movies or movies, users can also hear the outside world through this penetrating annular opening, which...