The green lion sun smartwatch series are bombarded with practical and super useful functions. these watches are able to monitor your health, for instance, they measure your health. For instance, it measures your blood oxygen level, and heartbeats, and monitors your sleep. With its sedentary reminder, it Keeps you to be active and track your activity. Besides, if you are an athlete, you can use its sports modes(22t). this watch is also able to control the phone by utilizing Bluetooth 5. 1. You can also be notified when you have calls or any messages, or even you can control the music. The green lion watch is equipped with a strong battery that stays on standby for 7 days.