Large diaphragm USB computer recording condenser microphone

Producrt Features :
• Design for computer recording
• Computer USB power supply mode
• Built-in low noise microphone amplifier
• One cable for both power supply and audio output for convenient  connection
• Condener capsule features wide frequency response range
• Tone up control knob for adjusting microphone sensitivity
• Rugged and durable metal construction
Application : Recording, internet karaoke
Product Specification: 
• Transducer Principle: Back Electret Condenser
• Frequency Response: 30Hz-20KHz
• Sensitivity: -38±3dB
• Amplifying Function: +1dB-+20dB
• Directivity Characteristic: Cardioid
• Equivalent Noise Level: ≤24dB
• Max.Input SPL: ≥130dB(At 1KHz 0dB,THD≤1%)
• Output Impedance: 100Ω±30%
• Power Requirements: USB DC5V
• Net Weight: 685g