Tile Slim + Pro (2022) 4-pack (2 Slims, 2 Pro) - High-Performance Bluetooth Tracker, Keys Finder and Item Locator for Keys, Bags, and More, Water Resistance and 1 Year Replaceable BatteryTile Pro easily hooks onto keychains or attaches to anything you care about. It’s the small, powerful companion for life’s little valuables. Tile Slim: As thin as two credit cards, easily slides into your wallet, purse, or pocket - anything you want can be found quickly.Ring Your Things: Use your smartphone to make your Tile Slim or Pro ring when it’s nearby, but out of sight. If your Tile is within Bluetooth range, it will play a loud tune until you find it. Find Your Phone: Can't find your phone? Simply double press the button on your Tile to make your phone ring - even on silent! See Where You Had It: The Tile app automatically records the last time and place it saw your item. So, if you left it somewhere, you know where to look first.Use the Community: If your item goes missing, the Tile community can help. When any user in Tile’s global network comes within range of your missing item, the Tile app will notify you of its most recent location. Every day, over half a million items are found with Tile. Choose Your Ringtone: Couch cushions, pockets, and purses don’t stand a chance against the powerful ring of Tile Slim and Pro. Both Tiles come with four preset ringtones for you to choose from. Attach It to Anything: Tile Slim easily slides into almost anything, from pockets to wallets, purses, and more.