How to use: 1.Download and install “TEFITI” in the APP store; 2.Set you own information on APP; 3.Turn on Bluetooth and pair; 4.Set function in the APP as you need; Note: Compatible with iOS9.0 or above, Android 4.4 or above, BT 5.0 or above. Sedentary Remind: Smart watches will remind you to take a break, let you keep active and relax and help you reduce stress, care more about your health. Vibration Alarm Clock: You can set the alarm clock according to your actual situation, it will notice your schedule and remind you by vibrating. Remote Camera Control: Turn on the app, connect the tracker to your smart phone, use the remote control to take a photo, shake your watch, will catch the beautiful moment that you want. Adjustable Wrist Strap: Soft and comfortable silicone watch band, you can adjust the watch band size to fit your wrist. Package Contents: 1*Smart Watch 1*Charging Station 1*User Manual tch: