The rechargeable battery life is short.

  • When FL-N01 is used in a low temperature environment, the battery life becomes short depending on the battery’s specification.
  • Charge the battery until it is full.
  • Depending on the environment in which FL-N01 is used, the battery may deteriorate if it is not used for over a year. Contact your nearest Sony Customer Experience Center.
  • The battery life varies depending on the volume of playback.