The charging time will vary depending on remaining battery power and battery condition. For information about the charging time, see the specifications and the manual supplied with your audio speaker or player.
If you are using a player, check the following in addition.
- When you use the player for the first time, or if you have not used the player in a while, charge it until Full is displayed as the remaining battery status.
- The charging time will be longer in a low-temperature environment.
- The charging time takes longer if you are transferring audio files while the battery is charging.