What does two-way fast charge mean?

Charging treasure two-way fast charging is:

①. The output supports fast charging, and the charging treasure supports fast charging when charging the mobile phone (requires that the mobile phone also supports fast charging)

②. The input supports fast charging, and it also supports fast charging when charging the charging treasure itself (requires the charger also supports fast charging)

Comes with type-c data cable, magnetic absorption design, portable and convenient. It can effectively avoid the embarrassment of machine friends who use type-c interface mobile phones with charging treasures when they go out, but without USB cables.