Color:Black Function: 1.Turn on /off Long press the power button to turn on the bracelet with WELCOME Letters Long press the power button, and press the function key to turn off with GOODBYE letters Press power key to light up the OLED screen with time display. 2.Bluetooth pairing 1)smart bracelet should be paired with smart phone for first time. 2)Press function key to find the bluetooth, and press function key again to enter the bluetooth function, active bluetooth. 3)Turn on bluetooth on smart watch, and make sure it can be searched by bluetooth devices. 4)Search an connect bluetooth name DF22 on smart phone. 3.Sync phone book After devices pairing, press function key to switch into Phone Book function, and users can check and dial phone numbers 4.Phone calls reminding, caller ID After devices pairing, the bracelet vibrate and display caller ID when receiving phone calls 5.Remote anti-lost The bracelet alarms when the smart phone is 10 meters far from you, or smart phone power off. 6. If you want to use all of the health smart watch function, please download FunRun App and open FunRun activity firstly, then you can use anti-lost, looking smartphones, step track, sleep management , phone call and message notification, remote capture, ect.