Bluetooth Headset user Guide General Functions: Turing On: Press and hold the multi-function button for 5 seconds, indicator light will flash blue 3 times. NOTE: For the first 5 cycles of turning on the headset, the headset well beep twice, and then flash blues 5 times, and then two times. Turning Of: Pres and hold the multi-function button for ยง seconds, the headset will beep 3 times, and the Indicator light will flash red 3 times.