Galaxy Smarttag 2 1pack

a single device for tracking belongings, using Bluetooth and Ultra-Wideband (UWB) technology for a range of up to 120 meters. It is IP67 water and dust resistant, features a replaceable CR2032 battery with a life of up to 500 days, and can be used with the SmartThings app for finding items via Compass View, Ring Tag, and Lost Mode with NFC contact sharing