5Pcs 2×13 USB Mini Spectrum Red LED Board Voice Control Sensitivity Adjustable
Shipping:Standard Shipping about 10-25 business days
1, With a microphone, no need to connect to audio cable.
2, Power:5V(USB interface ).
3, High brightness.
4, Using single-chip microcomputer drive, spectrum is better.
5, Sensitivity to sound, 10 step adjustable.
5 x Spectrum Red LED Board(without USB cable)
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