Peace, mercy, and blessings of God be upon you. SmartTag2 Device Specifications: 1. Coverage Range: You can track its location anywhere in the world as long as there is another Samsung device nearby, using the Smart Things app. 2. Battery Life: It features a long battery life of up to 500 days in normal mode, and it can be extended by an additional 40% using power-saving mode. It uses a replaceable CR2032 (watch battery). 3. Bluetooth connection range reaches 120 meters.