The GoLife GoWatch 820i is a GPS-enabled smartwatch meant for runners and multi-sport athletes. It has a 5ATM water resistance rating, and medical-grade stainless steel (SUS316) casing. On top of tracking fitness and health stats, it can display smart notifications and vibrate on your wrist. According to the manufacturer, even with GPS active the battery should last for at least 16 hours on a full charge. If you so desire, you can purchase heart-rate connectors separately, as well.
|Battery Life||21 days|
|Android Compatibility||Android 4.3+|
|iOS Compatibility||iOS 8+|