i) Take photo: Remote mobile phone take pictures by tap bracelet key.
j) Count down: Set count down time and choose to display on bracelet or
not.
k) Reset password: You can set a password for the device ( so other mobile
phone cannot connect with your device) The default password is 0000. If
your forget the password, press and hold on the device sleep screen until
the device vibrates, the password will be reset to the default 0000.
l) Screen styles: Choose the main menu styles.
m) Firmware upgrade: Upgrade firmware of the device.
n) Clear data: Factory reset of the bracelet.
Sport goal: Set the steps goal of each day.
Sleep goal: Sleep suggestion based on personal data.
Unit setting: Choose to set metric or imperial unit
Note: the device green light sensor Automatic turns on every 10 minutes
(for detecting and collecting sleeping and heart rate data).