Q: Bluetooth cannot connect?

A: (1) Mobile phone system to meet the requirements: Android 4.4 and above version, iOS 7.0 and above version;
   (2) To confirm that the app is the latest version of the app, it is recommended that you use the latest version of the experience;
   (3) Whether the hand-ring Bluetooth is open, open the main interface of the hand ring in the upper left corner with Bluetooth open logo;
   (4) Whether the mobile phone Bluetooth is turned on and can be used normally, it is recommended to close all programs to restart Bluetooth and then connect;
   (5) When binding, please light the hand ring screen, hand ring off the screen may be bound unsuccessful.

Q: Bluetooth connection often disconnected?
A: (1) Hand ring and mobile phone distance is too far: 7 meters outside the Bluetooth connection effect will be reduced;
   (2) Whether there is shelter between the hand ring and mobile phone, the human body, wearing metal jewelry, etc. will interfere with Bluetooth connection;
   (3) Whether the hand ring is sufficient, enough to open the Bluetooth, light the screen;
   (4) Whether the mobile phone Bluetooth function is abnormal, it is recommended to close the program and restart Bluetooth;
   (5) When the app exits to the background run, the iOS system may automatically kill the system, causing the Bluetooth connection to disconnect;
   (6) The mobile phone black screen after the Bluetooth automatic disconnect, may be because the mobile phone power mode or mobile phone assistant automatically turn off Bluetooth, you can set up the phone and try again.

Q :Bluetooth synchronization data time is long or synchronization is unsuccessful?
A: (1) Bluetooth is normal connection, if not, please refer to the above two issues;
    (2) Sync data need to be on the home page or refresh the data to start;
    (3) Whether the Bluetooth connection has been disconnected due to timeout.

Q: Sleep data cannot be synchronized or inaccurate?
A: (1) Whether to wear a hand ring to sleep, do not wear a hand ring sleep synchronization after the app will not produce sleep data;
   (2) The Hand ring records the night sleep data, from lying down for 30 minutes to start recording (3 Kinds of sleep: depth, light, awake sleep), sit and end sleep. Getting up and sleeping can affect the recording of sleep data.

Q: Do not receive micro-letter reminders, SMS reminders and call reminders?
A: (1) In the app to open the Smart reminder function, call to remind the switch and sync hand ring, iOS system settings need to allow Bluetooth pairing;
    (2) The need to maintain a normal Bluetooth connection, and the hand ring can only receive the current time information and calls, Bluetooth connection before the message will not be reminded;
    (3) When the micro-letter is set to "message-free", it will not get a reminder;
    (4) On your iPhone (iOS 13 or above), go to [Settings] - open [Bluetooth] - click "i" symbol on the device to be paired in [MY DEVICES] - enable [Share System Notification].

Q: Does the wrist-lift screen not be sensitive?
A: Taking into account the use of your unconscious wrist-lift, such as stretching your arm during sleep, we have a partial restriction on the wrist-lift screen. When the hand ring is down, twist the wrist so that the screen can be lit up normally.It is recommended that you try more times to grasp the best angle of wrist lift.