• Flashing green from bottom to top means Payment Transmission. 
  • Blinking green when charging means more charge is needed.
  • Solid lights when charging means charging is completed.
  • One green solid light at the bottom – appears when you hold the button during Accessory Discovery in Settings.
  • Orange signifies error, that the Card has not been bound to your account, there is no default payment card added to the Card, or the Button Pay timer is expired or set to "Never".