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DIY music rhythm lamp kit – Voice-controlled, 30-segment spectrum display. Requires soldering & electronic knowledge. Multiple input modes: sound recording, phone audio, speaker connection. Dual-color LED effect (red, blue, red, green). Suitable for st
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[Product parameters]: ?1. Working voltage: DC 5V?2. PCB material: 1.6mm RF-4 board, 3. Installation:..
US$8.79
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