Lightweight design with an easy-to-carry strap IP67 water resistant and dustproof Shockproof design Line shaped diffuser distributes music evenly X-Balanced speakers for powerful bass and crisp sound Dual passive radiators reproduce powerful bass notes Up to 16 hours of playing time, plus quick charging Personalized sound control via the Sony | Music Center app Microphone w/ echo canceling technology Stream wirelessly via Bluetooth or via a wired 3.5 mm jack