Description 1Durable Use: U94 PTT part uses high strength PTT, which can be pressed continuously for 30,000 to 50,000 times. The wire is made of cold resistant PU tensile wire with high flexibility and toughness. 2Easy to Use: The button activates the PTT (Push to Talk) device, which can be hung on clothes or belts. The speaker adopts 3215% at 1KHZ, and the sound is loud and thick. 3Application: The sound is loud and thick, the surrounding noise will not be heard. Suitable for half helmets and full helmets in exploration, outdoor activities, outdoor riding and so on. 4Bracket Type Earphones: Bracket type throat vibration noise reduction earphones, easy to shrink, coil size can be adjusted, and the size can be adjusted according to the neck. 5Vibrates Principle: The throat vibrates to produce sound, and it has a high degree of sound insulation even when used in a very noisy and harsh environment.1 x U94 PTT1 x Telescopic Throat Vibration Microphone1 x Earplugs1 x Microphone CableItem Type: U94 PTT Throat MicrophoneMaterial: PU+PTTColour: BlackApplication: Suitable for Motorola GP338 GP-328 GP-340 GP-380 and other Walkie TalkiesSpeaker Specifications:Sound Pressure Level: 1083dB at 1KHZ 1mWRated Power: 50mWMaximum Power: 100mWSpeaker Impedance: 3215% at 1KHZMicrophone SpecificationsSensitivity: -315dB at 1kHz 0dB=1V/0.316GOutput Impedance: 120015% at 1KHZ