Must-have gadgets for business travelers

For frequent travelers, these noise-canceling headphones are a must. Bose QuietControls are engineered to measure outside noise and cancel it out with the opposite signals. And with this particular pair, you can control just how much of the world you want to tune out by adjusting the level of noise cancellation. They're also wireless and feature a lightweight neckband that conforms to your body for all-day-long comfort.