The Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker is a floating wireless speaker that’s ultra-portable yet delivers surprisingly big, 360-degree sound. Crisp, bassy, and ready to go with 14 hours of playtime, its IP67 rating ensures it’s waterproof, dustproof, and even floats—perfect for the pool, beach, or shower. Whether for outdoor adventures or indoor use, this loud Bluetooth speaker delivers powerful sound anywhere. A practical choice for on-the-go lifestyles, it’s ideal for those who want wireless speakers that perform in any setting.
14 Hours of Boom: This waterproof portable Bluetooth speaker delivers up to 14 hours of playtime, keeping the music going nonstop.
Double Up for Stereo: Pair two WONDERBOOM 4 speakers for louder sound. Press once to pair, press again for true stereo with left and right channels.
Surprisingly Bigger 360-Degree Sound: The WONDERBOOM 4 packs powerful 360-degree audio in a compact design, with boosted sound for up to 14 hours.
Outdoor Boost and Podcast Mode: Engineered for full stereo sound. Use Outdoor Boost for better performance outside. Podcast Mode enhances vocal clarity.
Waterproof, Dustproof, and Floatable: IP67-rated—can survive 1m underwater for 30 minutes, resists dust, and floats. Perfect for pools, beaches, or showers.
