Slim is a thin tracker for wallets, luggage tags and other things with narrow spaces or that require a low profile. Water-resistant with an up to 250 ft. Bluetooth range, loud ring and up to 3-year non-replaceable battery, Slim easily slides into or attaches to anything you need to keep track of regularly. Just open the free Tile app and tap Find to locate your stuff. You can also double press the button on your Slim to ring and find your phone.