/http%3A%2F%2Fmedia-cache-ak1.pinimg.com%2F550x%2F17%2Fd7%2F20%2F17d7206febff5a9fffd68503e8fb7a00.jpg)
Bose used noisy Grand Central Terminal to launch the SoundLink Mini portable Bluetooth speaker (ready July 11; $200) and the truly noise-canceling QuietComfort 20 in-ear headset (summer; $300). Bose filled a small room with loud city noises like traffic...