The high sensitivity feature of this Electret Condenser Microphone Pickup is its most prominent selling point. With its 2-pins design, it provides a highly sensitive sound and light control experience that is unmatched by other products. Made of copper materials, it is safe for both the user and the environment. It provides clear sound capture that is essential for any sound and light control application. Features -Color:Multi -Material:Copper -Size:1.60X0.50X0.50cm/0.63X0.20X0.20in -Output impedance :2.2K -Operating voltage :1-10V -Working :150-500μΑ -The high sensitivity feature of this Electret Condenser Microphone Pickup is its most prominent selling point. -With its 2-pins design, it provides a highly sensitive sound and light control experience that is unmatched by other products. -Made of copper materials, it is safe for both the user and the environment. -It provides clear sound capture that is essential for any sound and light control application. -Unmatched sensitivity for sound and light control: this product boasts unparalleled sensitivity. Package list: 20 x Electret Condenser Microphone Pickups