Tenq Shoulder Microphone for Icom Ic-f11 Ic-f21 Ic-f24 Ic-f31 Ic-f3 Firm and durable housing, strain relief cable for maximum durability Talk and listen without ever HOLDING your radio! Strain relief cable for maximum durability,360 degree metal clip Push-To-Talk button and microphone are located on the accessory for quick and easy use. A strong swivel retaining clip on the back for convenience.