Wireless Microphone Shure SM58:

• Performance tested, industry standard
• Uniform cardioid pick-up pattern for maximum gain before feedback and excellent rejection of off-axis sound
• Tailored frequency response specifically shaped for vocals, with brightened midrange and bass roll off to control proximity effect
• Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration
• Steel-mesh grille and enamel-coated metal construction resist wear and abuse
• Effective built in pop-filter reduces undesirable wind and breathe noise
• Furnished with zippered storage bag and break-resistant stand adapter
• Extremely durable under the heaviest useShure quality, ruggedness and reliability

Wireless Transmitter Shure SM58:

• Power and battery status LED
• Adjustable gain control
• Quick & easy frequency matching
• 2 AA batteries (included) provide up to 14 hours of continuous use
• 300 feet (91 m) operating range (line of sight)

Receiver Microphone Shure BLX4:

• Up to 12 compatible systems per frequency band (region dependent)
• Microprocessor-controlled internal antenna diversity
• One-touch QuickScan frequency selection quickly locates the best frequency
• 1/4" and XLR audio outputs
• Two color audio status indicator LED

In The Box:

• 1 unit microphone Shure SM31
• 1 unit transmitter Shure BLX1
• 1 unit receiver Shure BLX4
• 1 set windscreen
• 2 AA battery
• 1 pcs power supply