Description Product Parameters: Battery capacity: 100mah Battery type: lithium polymer battery Display: 0.96 HD color screen Device requirements: Bluetooth 4.0 phone support Android 4.3 or IOS8.0 or above system Colors: BLACKProduct Features: Dynamic heart rate and blood pressure monitoring, sport pedometer (3D sensor), calorie consumption, distance, Bluetooth link, call reminder, information reminder, screen activating by raising hand, smart alarm clock, bracelet searching, remote taking photos, sedentary reminder, sleep monitoring