According to the product testers from the German tech magazine Chip, 29 of the 35
] However, the battery life while playing music varies strongly. Depending on the size of the built-in battery, it lies somewhere between four and 45 hours.
It's also worth taking a look at the weight of the speakers before buying them, advise the testers. Bluetooth speaker on them – for example, in their backpack or on their bicycle – should get a device weighing a maximum of 500 grams. The heaviest speakers tested at least two kilograms on the scales. – dpa