Smart Band, Coolbit Activity Health Tracker Smart Bracelet w/ Heart Rate Blood Pressure Oxygen Monitor Fitness Tracker Pedometer Calories Track Notification Remind Wristband for Android and IOS Phones

Color:Black Using Preparation • Make sure power is working normally before initial use.If the device is under low battery,please charge first(The 1st charging time must insure the power is full.) • Long press the bracelet touch screen button...