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JBL PULSE 4 | EXTREME BASS TEST !!! | LOW FREQUENCY MODE 100% VOLUME !!! | PERFECT FOCUS !!! - YouTube
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Amazon.com: JBL Pulse 4 - Portable Bluetooth Speaker with 360 degrees LED lights, powerful sound and deep bass, IPX7 waterproof, 12 hours of playtime, JBL PartyBoost for multiple speaker pairing (White) : Electronics
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