The Stars n Stripes CB microphone design includes a rugged housing plus double chrome plated grille screen and stainless steel super-flex cord with durable strain relief and 4-pin connection. With a DPDT smooth operating switch with spring return and dynamic noise cancelling element this microphone is designed for close talking handheld applications with CB and amateur radio and SSB communications. Switch DPDT with spring return is especially designed for ease of use in handheld applications. It has the round knob on the back of the mike to hang it on a radio hanger clip. Blocks out background noise so you can enjoy clear communication while over the road.