Frequency: 45 Hz - 20 kHz Weight: 5.9kg Battery life: Up to 24 hours Wireless options: Bluetooth 4.2-5.0 Dimensions: 364mm x 190mm x 190mm Design Look, nobody is saying that the Hyperboom is the most portable of all portable speakers in the world. The battery lasts up to 24 hours, depending on play volume: it’s the sort of speaker that …