Great sound, but also some weaknesses

I also think it's great that he has an NFC interface that makes connecting the speakers to the phone super easy.

Unfortunately, the unit but also some disadvantages. So unfortunately, the Bluetooth range is only a maximum of 5 meters. If one uses the speakerphone, listen to the interlocutor - depending on the selected volume - "feedbacks" that are relatively to very unpleasant.

And one of the highlights, the Power Bank function - is unfortunately on modern smartphones and tablets not enough current. Therefore - at least in my smartphones and tablets - a maximum of "status quo" held at the battery level. A pity, because I find this feature extremely cool.

My Conclusion:
Great design, rich sound, but unfortunately also a few weaknesses.