Anyone who has ever lost the keys to their apartment has probably thought it was a pity they couldn’t call to find them. Now there’s a tile that makes it easy to find the keys: you can call it from your smartphone. You can attach it to anything, whether it’s a dog collar, a backpack, or even a TV remote.
You can find it on Amazon.com! Look in the "Sports & Outdoors" tab for "Sawyer Products B4 Extractor Pump Kit". The price right now is $16.99.