3pcs 2*13 USB Mini Voice Control Music Audio Spectrum Flash Volume Level Indicator Green LED Display Module

Features: 1. Comes with a microphone, do not take the audio cable. 2. Power 5V (USB interface power supply) 3. High brightness: all using authentic Taiwan billion light bright LED 4. Using a single-chip drive, the frequency spectrum is better, not bright and clear high brightness. 5. Sensitivity to sound, 10 adjustable. Size: 39.5mmx15mmx10mm Color: Green Package Included: 3 x 2*13 USB Mini Audio LED Display Module