M head plug 2 pin; only compatible with Motorola CP100 CP100D CP185 CP200 CP200D GP300 GP2000 EP450 Mag ONE BRP40 A8 RMU2040 RMU2080D RDM 2070D RDU2080D RDU4100 walkie talkie etc; can't compatible with Retevis or any other brands of walkie-talkies
Covert air tube surveillance earpiece; make communication more private; less susceptible to electromagnetic waves
Large size PTT button; walkie-talkie headset with large PTT button design; guarantee precise operation even with gloves
Double-wire design; the pin and earplug of the earphone of the two-way radio headset are located on both sides of the microphone; it is convenient to hang the radios on the waist
Soft and comfortable earplug; ergonomic earplug is soft and comfortable; can be worn on both ears; suitable for long wear