Icom (Otto) V4-10399, Tactical Skull Microphone with Earcup and 80 MM Push To Talk Switch for IC-F30 Quantity in Basket: None Code: V410399 Price: $552.50 Shipping Weight: 13.00 pounds Suggested List: $650.00 Quantity: Icom (Otto) V4-10399, Tactical, Fire & Hazmat Skull Microphone with Earcup and 80 MM Push To Talk Switch for IC-F30G, IC-F40G, IC-F50 & IC-F60. List Price $650.00. 5/28/14