How to power on/off the H3PRO Hybrid
To power on the headset, press and hold the power button for 2 seconds. The LED will flash green three times. To power it off, simply press and hold the button again for 2 seconds. The LED will now flash red three times. The headset will power on automatically when connecting it to your PC with the USB cable. When you disconnect the cable, the headset will power off automatically as well.