Universal Compatibility with COBRA Radios: G Shape 1pin 2.5mm earpiece with PTT Microphone works with 2.5mm Jack for COBRA Microtalk CXT195 CX112 CXT390 CXT545 CXT531 CXT135 CXT145 PX655 and other Walkie Talkie FRS/GMRS radios capable of using a headset. No set up is needed, just plug into your two-way radios and enjoy it Secure and Comfortable Fit: A high-quality one-wire G Shape kit for environments using radios with simple 1-pin 2.5mm connectors that fits snugly around the ear to keep earphone firmly in place Inline PTT Switch for Hands-Free Operation: The inline switch sets you up for controlling push-to-talk features on your radio, and a lapel clip keeps it handy and out of the way. Talk and listen without holding the radio with clear sound performance High-Quality Audio Performance: High-quality Earpiece provides clear audio communication with fashionable PTT design with metal clip. The Earpiece may be secured to the users lapel or clothing for comfortable holding and high quality sound even in loud environments Extensive Model Compatibility: The G shape In-Ear Earpiece Compatible for 2.5mm COBRA Microtalk MT200 MT525 MT550 PR375 PR385 CX105 CX112 CXT145 CXT195 CXT345 CXT545 CXR925 ACXT1035r ACXT145 ACXT545 PX655 RX385 RX685 and more. Please note the earpiece is incompatible with Moto talkabout series, MH230R, MR350R walkie talkie, and Cobra Marine radio Professional Use Applications: Suitable for hotel personnel, event coordinators, retail stores, security at airports, casinos, manufacturing plants, security guards, health-care workers, building-maintenance workers, police, and crowd control at conventions and concerts Durable Construction with Convenient Features: Lightweight and easy to use design includes one clothing clip to conceal the wires and secure the mic to your uniform. The push to talk mic is sensitive and directional, so you don't have to turn or tilt your head to transmit The push to talk (PTT) mic is sensitive and directional, so you don't have to turn or tilt your head to transmit. Just push the button and talk. The kit is lightweight, easy to use and includes one clothing clip to conceal the wires and to secure the mic to your uniform.

HYS G shape Earpiece For the excellent working for environment, as follows:

Hotel Personnel; Event Coordinators; Retail Stores; Security at Airports; Casinos; Manufacturing Plants; security guards; health-care workers; building-maintenance workers; Police; Crowd Control at Conventions and Concerts.

Compatible with COBRA 2.5mm Microtalk as follows: ACXT series:ACXT1035r ACXT145 ACXT545

PX series: PX655 RX385 RX685 etc.

MT series: MT200, MT525, MT550, MT600, MT650, MT750, MT800, MT900, MT975,MT100, MT115,, MT250, MT300, MT550, MT615, MT850 etc.

PR series: PR240, PR245, PR260, PR350, PR375, PR385, PR550, PR560, PR580, PR590, PR3000, PR3100, PR3175, PR3180, PR3500, PR3550, PR3575, PR4000, PR4200, PR4250, PR4300, PR4700, PR4750, PR5060,PR237,PR650 etc

LI series: Li-3900, Li-4900, Li-5600, Li-6000, Li-6500, Li-6700, Li-7000, Li-7200, Li-7020, Li-7500 etc

CX series: CX80, CX105, CX105C, CX107,CX110, CX112,CX312 etc

CXT series: CXT85, CXT88, CXT90, CXT94, CXT95, CXT125, CXT135, CXT145, CXT175, CXT195, CXT225,CXT227,CXT235,CXT237, CXT275, CXT280, CXT345 CXT390, CXT395, CXT400, CXT420, CXT425, CXT450, CXT531, CXT545, CXT595 etc

CXR series: CXR700, CXR725, CXR750, CXR800, CXR825, CXR850, CXR875, CXR900, CXR920, CXR925, CXR950

CTW Series: CTW135P, CTW285P DC

FRS Series: FRS132, FRS237

MRHH Series: MRHH100, MRHH200, MRHH330

[ Please note—The earpiece incompatible for talkabout series and MH230R MR350R walkie talkie！incompatible for Cobra Marine radio]