If locating your phone, wallet, or keys has ever felt like a scavenger hunt, you'll recognize the value of this helpful gizmo. Tile Mate, a tiny Bluetooth tracker, can be attached to anything you're apt to lose. Then, whenever a tagged item goes missing, you can track it through Tile's corresponding smartphone app. With a battery that lasts for a year without charge and a loud ringtone, Tile can stand up to even the sneakiest couch cushions, coat pockets, and purses. Available on Amazon; $69.99.