Get on the road with Kilburn II. Free from the confines of wires and cords, this Bluetooth speaker offers 20+ hours of portable playtime on a single charge. 20 minutes gets you 3 hours of portable playtime. This stout-hearted hero weighs only 2.5 kg and is the loudest speaker in its class. It produces a clear midrange, deep bass and extended highs that are unrivalled for a speaker this size, and its multi-directional sound will immerse you in your music, indoors or out.