Sennheiser SL Headmic 1

Type: Head-worn condenser microphone
Frequency Response: 20 Hz – 20 kHz
Pickup Pattern: Cardioid
Impedance: 1 k?
Sensitivity: -47 dBV/Pa
Maximum SPL: 140 dB
Cable Length: 1.6 meters
Connector: 3.5 mm TRS plug
Color: Black
Accessory Included: Windshield, mic clip