What are the differences between Fem and Ett?

Here are the differences between Fem and Ett:

• Ett has an active noise canceling (ANC) feature, while Fem does not have this feature.
• Ett supports wireless charging, while Fem does not support wireless charging.
• Ett has transparency mode which automatically lets ambient noise through so you can better hear yourself speaking on calls, while Fem does not have this feature.
• With ANC on, the maximum playtime for Ett after one full charge is four hours. The maximum play time for Fem after one full charge is six hours.

Here are the similarities between Fem and Ett:

• Both have an auto-pairing function.
• Both have IPX5 water resistance levels (sweat/rain/splash resistance).
• They both use USB-C charging cable.
• They both support 15 minutes quick charge which provides 1 hour of playtime.