To control the timer with his phoneStart the countdown, pause or switch to setting mode.To start, look for the Bluetooth device in the list of available devices (Settings -> Bluetooth -> Available Devices). Find the device MJxx or HC06. The password is 1234.Start Bluetooth Timer, press Connect, select MJxx. The button should change to connected to MJxx.Use the + 1, + 10, -1, -10 buttons to set the timmings, T1 / T2 to switch from work time to rest time and Start / Stop to start the countdown or stop.