The Samsung Galaxy SmartTag2 4-Pack contains four Galaxy SmartTag2 trackers — two Black and two White — for keys, bags, luggage and other valuables. Each tag measures 52.4 x 28.8 x 8 mm, weighs 14 g and has a built-in loop so it attaches without a separate key ring. Each tag uses Bluetooth 5.3 with Ultra-Wideband (UWB) for precise Search Nearby and Compass View on UWB-enabled Galaxy phones, and NFC Lost Mode lets anyone who finds your item tap it with a phone to see your contact details. Ring Your Tag makes the tag play a sound, and the tag can also be used to control SmartThings devices. It is rated IP67 for dust and water resistance, runs for up to 500 days on its user-replaceable CR2 battery (up to 700 days in Power Saving Mode) and works with the SmartThings Find app on Samsung Galaxy phones and tablets. In the box: four Galaxy SmartTag2 trackers (2 x Black, 2 x White), each with a CR2 battery fitted, battery tray eject tool and quick start guide.