Description:Battery capacity (mAh): 380 mah, charging time: 3 hours, standby time: 120 hours, talk time: 2-3 hours After enabling the anti-loss feature, the watch will ring or vibrate to alert you when your smartphone leaves smartwatch 10 meters away. All-day sports data can be recorded. The number of steps, kilometers, calories and activity minutes can be recorded in details and synchronized with the app.Warranty:30 day hassle-free money back guarantee