It is not expected, in general, very good performance from a small, portable speaker within 50. Logitech has made sure to surprise us! Under a nice design, available in five colors, the X100 speaker delivers sound of a quality well above its class, especially for bass. Whether wireless (Bluetooth connection very easy) or over, the performance is there for a nominal fee. This very compact and lightweight enclosure (160 grams only) comes with the quality workmanship you expect from a reputed brand like Logitech. Autonomy seemed very good, although I have not had the opportunity to check the five o'clock announced. The strength seems to match, particularly for transport.
In summary, this is a very good value as Logitech: no surprises waiting. There are many speakers on the market, and in the same price segment, which does not hold a candle to this one.