Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 40 m (131ft) Range REFURBISHED The advanced anti-wind noise algorithm

The advanced anti-wind noise algorithm ensures your calls are protected from disruptions even when the weather isn’t on your side

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tough and durable

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Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 40 m (131ft) Range REFURBISHED The advanced anti-wind noise algorithmFeatures Surprisingly Bigger 360 Degree Sound: The WONDERBOOM 4 portable waterproof Bluetooth speaker features bigger 360 degree sound in a petite package; boosted sound for up to 14 hours of playtime Outdoor Boost and 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 14 Hours of Boom: With a battery that lasts throughout the day, this