Among the several types of key trackers on the market, some allow for tracking via audible signals– beeping or buzzing ...
We all do it. Misplace those car keys, can't remember where we put our phone, have trouble finding out car in a parking lot. Glad we have tracking apps.
If you spend more time searching for lost keys than ... compact Bluetooth tracker to anything you frequently misplace (keys, backpacks, wallets) and let the free Tile app do the rest.