Amazfit GTR 2e Smart Watch Simply lift your wrist and ask Alexa to set alarms and timers, check the weather, operate your smart home devices, generate shopping lists, and more. With the offline voice assistant functionality, you can use your smartwatch to do things like turn on sports modes or launch the heart rate monitoring function without needing to be connected to the internet. The GTR 2e smartwatch has a more complex circuit architecture and a high-capacity 471 mAh battery that provides up to 24 days of battery life, allowing you to workout wherever you choose. GPS and GLONASS are included for precise tracking of your daily steps and distance traveled.