The small Sony also convinces with a decent and wide sound. However, the maximum volume is very low. It can hardly compete with loud conversations in the immediate vicinity. And the battery life of just over seven hours is, like the Anker, rather mediocre, but okay for such a mini. The reliable controls were better than those of the runner-up.

A powerful bass, clearly audible details and a balanced, lively sound - that's what the perfect Bluetooth speaker should sound like. However, good sound quality is not everything: to become a test winner, a speaker should ideally also be easy to use, have a long-lasting battery and offer practical additional functions...