Ultimate Ears - BOOM 4 Portable Wireless Bluetooth Speaker with Waterproof, Dustproof and Floatable design - Cobalt Blue
Grab the super-portable wireless Bluetooth speaker that’s built for adventure. Seriously waterproof with balanced 360-degree sound, deep bass, and one-touch music controls, the Ultimate Ears BOOM 4 is the ultimate go-anywhere speaker. Experience four different EQ modes or customize yourself. You can even pair the BOOM 4 Bluetooth waterproof speaker with MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM portable Bluetooth speakers for more fun. The BOOM 4 is an extremely wireless speaker with 147 feet of range, so you can walk away and keep the tunes comin’. Long-press the Magic Button to access your playlists, or set up one-touch playlists on your favorite streaming platforms like Spotify, Amazon Music on Android,* and Apple Music on iOS. Ultimate sound. Made to wander.
Ultimate sound
The BOOM 4 portable waterproof Bluetooth speaker delivers rich, 360-degree sound and deep, accurate bass, all carefully balanced so you can hear every note.
Powered for adventure
This waterproof portable speaker has a rechargeable battery that stays powered, pumping tunes for 15 hours on a single charge.*
A Bluetooth waterproof speaker made for the outdoors
Rated IPX7 waterproof and drop-proof up to 15 feet (1.5 meters), the BOOM 4 floating Bluetooth speaker is virtually indestructible.
Party up
Use PartyUp on the Ultimate Ears Boom app to pair several BOOM, MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM portable Bluetooth speakers, creating the ultimate surround sound experience.
Magic button
Play, pause, skip, and control music directly from your favorite streaming service; set up one-touch playlists on platforms like Spotify, Amazon Music on Android, or Apple Music on iOS.
Extremely wireless
With 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 Ultimate Ears BOOM 4 wireless Bluetooth speaker include a minimum of 52% post-consumer recycled plastic by weight (excluding packaging).