... mic For all Motorola Talkabout one pin radio Boom mic headset for Motorola Talkabout T4900,T5000,T5100,T5146,T5200 -- Light ... weight headset with boom mic-- Double speaker-- Perfect sounds expression-- Noise resistant ... Compatible with : FRS/GMRS:FR50,FR60,Sprit GTSpirit GT plus FR50,FR60,XTL446,SX700,FV200,FV500.etc Talkabout:T270,T280 ...