Home Ideas Ultimate Ears Hyperboom Review: The Perfect 21st-Century BoomboxTechIdeasUltimate Ears Hyperboom Review: The Perfect 21st-Century BoomboxMarch 11, 202082FacebookTwitterPinterestWhatsApp With 24 hours of battery life, an IPX4 rating, and astonishingly good sound, it’s the large Bluetooth speaker to beat.Source: WIRED.com