Lights on the cube:
Phone button LED: Lit solid when on that mode, Flashing when there is an incoming call
Computer button LED: Lit solid when on that mode, Flashing when there is an incoming call
LED Diamond in the center of cube:
Solid Blue = Headset is turned ON
Solid Red = No Link to the Headset (mic needs to be paired or charged)
Flashing Red = Headset is Muted
No Light = Headset is turned off
Charging Status Lights -
1 Light = 0 - 25% Charge
2 Lights = 25 - 50% Charge
3 Lights = 50 - 75% Charge
4 Lights = 75 - 100% Charge
Headset lights:
Solid Blue = Headset is charging (blue light will go out when its 100% charged). If headset is dead it may take 1-5 minutes to get the blue light to come on
Flashes Red 3x = Headset Needs Recharging
Flashes Blue Slowly = Headset is turned on (you will also see a blue diamond on the cube)
Flashes Blue / Red = Pairing Mode
Flashes Blue / Red CONTINUOUSLY = power surge damage
Blinks Blue 2x = Damaged wires on battery or headset speaker
Blinks Blue 3x = There is no battery in the headset
