Ultraportable Bluetooth speaker with a surprisingly bigger 360° sound. It’s crisp, bassy, and ready to go with 14 hours of BOOM. The IP67 rating means it’s waterproof, dustproof, and floats. Take it to the pool, the beach, or even the shower. Experience amazing sound—wherever life takes you.
Small Bluetooth speaker with surprisingly bigger 360° sound
That bigger 360° sound in a petite package. Boosted sound for 14 hours of playtime.
Outdoor Boost + Podcast Mode
Engineered for full stereo sound; tap the Outdoor Boost button for outdoor environments; use the new Podcast Mode to make vocals sound rich and clear.
Mini portable speaker with 14 Hours of BOOM
With a battery lasts through a day, WONDERBOOM 4 bangs on with 14 hours of playtime, so you can soak up every moment.*
Waterproof, Dust Proof, and Floatable
IP67 rating means WONDERBOOM 4 can be submerged in 1 m of water for 30 min; it’s even protected from dust; ideal for the pool, beach, or the shower.
Double up for stereo using the Ultimate Ears | BOOM app
Pair up two wireless WONDERBOOM 4 speakers for even bigger sound. Press once to double up. Press again for true stereo from both speakers, with left and right channels.
Durable, mobile speaker with 131 ft range
So you’re free to roam. Plus it’s dirt resistant, drop proof, and features a handy loop so you can take it with you.**
Made with recycled plastic
Plastic parts in WONDERBOOM 4 include a minimum of 31% post-consumer recycled plastic by weight (excluding packaging).
Manufacturer | Ultimate Ears |
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Specification | Remote Control Included No Speakerphone No Product Weight 0.93 pounds Number of Speakers 1 Network Connectivity Bluetooth Speaker Pairing Yes Light Type [None] Product Width 3.75 inches Control Button(s) Volume Battery Charge Time 2.6 hours Maximum Depth of Water Resistance 3.3 feet USB Device Charging Yes Product Depth 3.75 inches Model Number 984-002038 Controls [Power ON/Off, Volume control buttons, Double Up button, Outdoor Boost/Podcast Mode button] Product Height 4.09 inches Protective Qualities Waterproof Wireless Yes Built-In Microphone No Warranty - Labor None Wireless Connectivity Bluetooth Product Name WONDERBOOM 4 Portable Wireless Bluetooth Speaker with Waterproof, Dustproof and Floatable design Rechargeable Yes Auxiliary Input No Brand Ultimate Ears Color Sand Beige Battery Chemistry Lithium-ion polymer Wireless Multi-Room Audio Yes Warranty - Parts 2-Year |