To allow you convinient operation, this SMC-34 speaker microphone is:

-equipped with three function keys which can be programmed and used for remote operation
-equiped with its own volume control
-equiped with a revolving clip
-equipped with an earphone jack
-water resistant

         Specifications

• Output level: 83dB
• Rated input power: 0.5W
• Maximum input power: 1W
• Impedance: 8 W
• Type of element: electret-condenser
• Sensitivity: -58dB
• Impedance: 2kΩ