The Samsung Galaxy SmartTag2 is a small device that uses Bluetooth Low Energy (BLE) and Ultra-Wideband (UWB) capabilities to help locate lost items. It integrates with the SmartThings app, allowing users to track valuables like keys, wallets, and smartphones, and can even guide users to their items using augmented reality on their Samsung Galaxy smartphone camera. The device prioritizes user privacy and security, ensuring that location data is only shared with the owner's permission[1][3].