... D Ring Ear Hanger with flexibly, fully adjustable boom mic Two way radio /walkie talkie Earhook /handsfreeD Ring Ear Hanger Boom Mic for ... mic: 12cm;D-ring made of environmental friendly soft rubberTwo way radio /walkie talkie Earhook headset for Motorola T270,T280,T5100, ... ,T6220,T6250 T6300,T6400,T7200 MJ430 T6550, SX600, SX700 Two way radio /walkie talkie Ear hook headset for Motorola T270,T280,T5100 ...