The Ultimate Ears Wonderboom 4 is a compact, powerful wireless Bluetooth speaker designed for outdoor adventures. With its waterproof design and 360-degree sound, it offers high-quality audio anywhere you go.

• 360-degree sound for an immersive listening experience
• Waterproof and dustproof: IP67 rated
• Up to 20 hours of battery life
• Compact and portable design
• Pair two Wonderboom speakers for stereo sound

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Ultimate Ears Wonderboom 4 Wireless Bluetooth Speaker - Pink