Feature: 1. High Quality Material: U94 PTT part adopts 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. 2. Adjustable: Bracket type throat vibration noise reduction earphone, advanced engineering design, easy to shrink, coil size can be adjusted according to the neck. 3. Noise Reduction: The throat vibrates to produce sound, even if it is used in a very noisy and harsh environment, it also has a high degree of sound insulation. 4. Easy to Install: The button activates the PTT (Push to Talk) device, which can be hung on clothes or belts. The sound is clear, sturdy and durable, and can be used for a long time. 5. Application: The speaker adopts imported 32Ω±15% at 1KHz, the sound is and thick. Suitable for half helmets and full helmets. Suitable for jungle, field battle, outdoor riding, etc. How to Use: Plug and play Specification: Item Type: U94 PTT and Headset Material: PU+PTT Colour: Black Speaker Specifications: Sound Pressure Level: 108±3dB at 1KHz 1mW Rated Power: 50mW Maximum Power: 100mW Speaker Impedance: 32Ω±15% at 1KHz Microphone Specifications Sensitivity: -31±5dB at 1KHz 0dB=1V/0.316G Output Impedance: 1200Ω±15% at 1KHz Application: Suitable for Kenwood TK-3107, for Baofeng UV-5R BF-888S/WLN KD-C1 and Other K Head Talkies Package List: 1 x U94 PTT 1 x Telescopic Throat Vibration Microphone 1 x Earplugs 1 x Microphone Cable