Released in 2012, Tile is a brand of electronic accessories that help users locate their belongings. They come in several form factors, including keychains, small stickers, and cards. By connecting to a smartphone app via Bluetooth, Tile owners can remotely play sounds from Tiles, allowing them to find missing devices. In addition to the speaker, Tiles are also equipped with GPS functionality, enabling users to locate their Tiles on a map in the smartphone app.
Tiles can also be used in reverse. If you press the button on a Tile, it causes the paired smartphone to ring at full volume.