The best gadgets for your next business trip

Tile Slim calls itself the world's thinnest Bluetooth tracker. It uses wireless tracking to locate misplaced items and plays customizable sounds to help you find items lost nearby, including your phone. Tile Slim easily fits into wallets, passports or purses.

Correction: An earlier version of this article incorrectly stated that Tile Slim uses GPS tracking to locate misplaced items. It uses wireless tracking.