Charging voltage 5 V current 1A to 2.1A charging time 2 hours，About 5 to 7 days standby time，All-day activity tracking: steps, calories burned, mileage and Heart rate, blood pressure, sleep.
Smart reminder: call to a reminder, SMS push, Sedentary reminder. More features: mobile search, remote camera shooting, stopwatch.
Continuous Heart Rate Monitor: Continuous, automatic heart rate tracking of your wrists every second.
Compatibility: All Compatible ROM: <128MB Language: english RAM: <128MB Waterproof Grade: Life Waterproof Screen Shape: Square Resolution: 240*240 APP Download Available: Yes Case Material: Alloy CPU Manufacturer: Mediatek Display Size: 1.3 inch Band Material: Stainless Steel Application Age Group: Adult