Experience powerful stereo sound from a compact speaker. WONDERBOOM 4 features Outdoor Boost for enhanced outdoor audio, a podcast mode for clear vocals, and up to 14 hours of playtime. With an IP67 rating, it’s dustproof, waterproof, and floats - ideal for the pool, the beach, or the trail. Pair two for true stereo. Made from 31% recycled plastic and drop-tested from 1.5m, enjoy a 40 metre wireless range and quick Bluetooth pairing.