Ultimate Ears Wonderboom 4 portable speaker discounted by $40

As of September 15, the Ultimate Ears Wonderboom 4 portable waterproof speaker is available on Amazon for $59.99, reflecting a 40% discount from its standard retail price of $99.99. The Wonderboom 4 is recognized for its compact design, 360-degree audio output, and durable build, featuring an IP67 rating for water and dust resistance. The device is capable of floating in water and provides up to 14 hours of battery life on a single charge. Previously highlighted by Mashable as a top-tier option for portable speakers under $100, the device is noted for its performance relative to its size. This limited-time offer provides a significant price reduction for consumers looking for a rugged, high-quality audio solution for travel or outdoor activities.