SM58
Dynamic microphone cartridge with a frequency response tailored with brightened mid-range and bass rolloff to deliver legendary warm and clear vocal reproduction
Uniform cardioid polar pattern isolates vocal sound sources while minimizing background noise
Internal pneumatic shock mount minimizes handling noise
Legendary construction and versatility for consistent performance under rugged use and abuse on stage or in the studio 
X2U
USB Plug and Play connectivity
Compatible with Windows Vista, XP, 2000, 7, 8, 10 and Mac OS X (10.1 or later)
Integrated pre-amp with Microphone Gain Control allows control of input signal strength
Zero Latency Monitoring for real-time playback and multi-tracking without disorientation
Headphone jack with volume control for monitoring
Monitor Mix Control for blending microphone and playback audio
Provides +48V phantom power for use with condenser microphones
Includes 3 m USB cable and zippered pouch