Power on: 4 blue blinks in rapid succession - this happens after you hold the home button for 2 seconds
Power off: 1 long red blink - this happens after you hold the home button for 4 seconds (from power on state)
Pairing mode: Continuous alternating red and blue blinks in rapid succession - this happens after you hold the home button for 4seconds (from powered off state)
Paired earbuds: Upon pairing of the earbuds with one another, they will automatically blink red twice, blue once, and then continue toblink blue slowly (once every 6 seconds)
Powered on but not paired with a device: Earbuds will blink blue twice every 3 seconds