Noise Cancelling Headphone with PTT Boom MIC for Motorola RMU2040 RMV2080
RM: RMU2040, RMU2043, RMM2050, RMU2080, RMU2080, RMV2080. Modular design??. “ being able to interchange and work with every 5pins cable with or w/o PTT. Durable skeletal style and multi axis adjustable wire boom.