Despite its compact dimensions, it manages to produce it a powerful sound, a sound distortion will not even at the highest volume instead. I suspect that an internal regulation that even prevented. By Sprayproof housing opens up completely new fields of use. The battery life was almost full volume in my test with something more like eight hours which is a great value. Anchor truly make a product produced what many customers have been waiting for. I can highly recommend these speakers seeking each a mobile Bluetooth speaker.