$51.99 Ultimaxx Universal Mini Condenser Shotgun Microphone for Digital Cameras (UM-MIC100) - Walmart 
EEEkit 3.5mm PC Microphone Computer Condenser Studio Microphone with USB External Sound Card 
Shure SLXD24D/SM58 Dual Wireless Vocal Microphone System with SM58 Band J52 | Guitar Center
