Boom 4 Portable Bluetooth Speaker, Waterproof - Black Waterproof, balanced audio and bass, floating speaker, 15-hour battery, 147ft (45m) range

Portable 360°
Sound: The BOOM 4 portable waterproof Bluetooth speaker delivers balanced 360-degree sound with clear audio and bass, so you can enjoy your music in a compact portable design.
Powered for Adventure: This waterproof portable speaker has a rechargeable battery that stays powered, pumping tunes for 15 hours on a single charge; Charging via USB-C cable (not included). A Bluetooth Waterproof Speaker Made for the
Outdoors: Rated IP67 waterproof and drop-proof up to 15 feet ( 1.5 meters), the BOOM 4 floating Bluetooth speaker is virtually indestructible.
PartyUp: Use PartyUp on the Boom app to pair several BOOM, MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM portable Bluetooth speakers, creating the ultimate surround sound experience (Not compatible with WONDERBOOM and MINIROLL).
Magic Button: Play, pause, skip, and control music directly from your favorite streaming service; set up one-touch playlists on platforms like Spotify, Music on Android, or Apple Music on iOS.
Extremely Wireless: With 45 meters (147 feet) of range, you can walk away from your BOOM 4 wireless speaker and keep the tunes comin.
Made With Recycled Plastic: The plastic parts in the BOOM 4 wireless Bluetooth speaker include a minimum of 52% post-consumer recycled plastic by weight