Sometimes, sound isn’t enough. That’s the philosophy of the JBL Pulse 4 portable speaker, which throws you a pulsing light show in response to the music being made – glowing and flashing to the beat of the tunes.

Part music visualizer, part party speaker, it’s a fun and lively addition to what’s often a straightforward and similar-looking audio market.
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https://www.techradar.com/reviews/jbl-pulse-4