Ultra-Slim Design: Credit card-sized tracker that fits easily into wallets, bags, or other personal items.Real-Time Location Tracking: Tracks items in real time using the Eufy Security app, ensuring you never lose your belongings.Bluetooth Connectivity: Operates with Bluetooth to connect to your phone for quick tracking within a range of up to 200 feet.Long Battery Life: Up to 1 year of battery life with a replaceable CR2032 battery.Loud Alert Sound: Emits a loud sound to help you find your tracked item quickly.