Universal Compatibility with COBRA Radios: 2.5mm Male to 3.5mm Female Extension Cable (Coiled and Straight cord) with PTT is engineered for use with a wide range of COBRA Microtalk models like CXT195, CX112, CXT390, CXT545, CXT531, CXT135, CXT145, PX655, as well as other FRS/GMRS walkie-talkies Plug and Play Design: HYS 3.5mm female audio jack is suitable for most 3.5mm male-plug earpieces, such as HYS surveillance models, G-shaped, and C-shaped listen-only earpieces, equipped to support headset usage with headset capability. There's no need for any setup. Just plug it directly into your two-way radio, and you can start using it immediately Inline PTT Control with Lapel Clip: The inline PTT (Push-to-Talk) switch enables you to effortlessly control the push-to-talk function of your radio. The included lapel clip keeps the switch easily accessible and out of the way, allowing you to communicate without having to hold the radio. Clear sound transmission and reception Durable Metal Clip Design: The earpiece showcases a stylish design with a metal clip, which can be firmly attached to the user's lapel or clothing, offering a comfortable wearing experience. High-quality sound, ensuring clear communication Extensive Model Compatibility: HYS 1-Pin 2.5mm Jack to 3.5mm Audio with PTT Microphone, for COBRA Microtalk Radios 2.5mm Jack Walkie-Talkies. This product is applicable to COBRA Microtalk MT200, MT525, MT550, PR375, PR385, CX105, CX112, CXT145, CXT195, CXT345, CXT545, CXR925, ACXT1035r, ACXT145, ACXT545, PX655, RX385, RX685, and other models. Attention: This Extension Cable is not suitable for Motorola Talkabout series, MH230R, MR350R walkie-talkies, not suitable for COBRA marine radios 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.

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]