Shure X2u XLR to USB Microphone Signal Adapter and SM58 SM58-X2U
Amazon.com: Shure SM58 Cardioid Dynamic Vocal Microphone with X2u XLR-to-USB Signal Adapter for Zero-Latency Monitoring (Real-Time Playback), 3m USB Cable, A25D Mic Clip and Two Storage Bags (SM58-X2U) : Everything Else
Shure SM58-X2U SM58 Cardioid Dynamic Vocal Mic With X2U USB Signal Adapter | Full Compass Systems