blu PRO® Kit
How do I turn my blu PRO® Kit device on/off?
To turn your device on, push the button five times in quick succession. Both the button and LED tip will flash three times to indicate that the device is ready to use.
When your device isn’t in use, always turn off your blu PRO® device by pushing the button five times in quick succession. The button and LED tip will flash three times before powering down.