Tile's new Slim tracker might actually fit in your wallet - The Verge
Amazon.com: Tile Slim 1-Pack. Thin Bluetooth Tracker, Wallet Finder and Item Locator for Wallet, Luggage Tags and More; Up to 250 ft. Range. Water-Resistant. Phone Finder. iOS and Android Compatible. : Electronics
Amazon.com: Tile Slim (2020) 1-pack - Slim & Sleek Bluetooth Tracker, Item Locator and Finder for Wallets, Passports and Electronic Devices and More; Waterproof with Built-in 3 year battery
Tile Slim Review | PCMag
Tile Slim (2022) review: Same great design, less range | Tom's Guide
Tile Slim review: Keep track of your wallet and other valuables | iMore