... for use hard hats. 6.Optional red PTT,mini XLR quick disconnected jack avaiable. 7.Compatible for all brand radios. ... microphone3> Ear cup PTT or big round PTT optional4> Quick disconnect cable with Big round PTT, all radio connectors optional.5 ... Packed in a safe conditionAvailable color: Black, yellow, redFor example: Quick disconnect cable with Motorola CP040 plugsThis is suitable for Kenwood TK270 ...