1,[ Material] U94 PTT part adopts high strength PTT, which can be pressed continuously for 30,000 to 50,000 times, cold resistant PU tensile wire. 2,[Imported Speaker] This throat microphone headset speaker adopts imported 32Ω±15 percent at 1kHz, the sound is clear and thick, sturdy and durable. 3,[Portable] Button activated PTT (Push to Talk) device, can be hung on clothes or belt, easy to shrink, coil can be adjusted according to the adaptation of the neck. 4,[Multi Purpose] Bracket type throat vibration earphone, suitable for half helmet and full helmet, can be used in jungle, field battle, outdoor riding and other scenes. 5,[Noise Isolation] The throat vibrates to produce sound, even in very noisy and harsh environments, it also has a high degree of sound insulation. 1 x U94 PTT1 x Telescopic Throat Vibration Microphone1 x Earplugs1 x Microphone Cable Item Type: Throat Microphone HeadsetMaterial: PU and PTTColor: BlackApplication: Suitable for Hytera PD600 PD602 PD605 PD662 PD665 PD680 PD682 PD685 X1p X1eSpeaker Specifications:Sound Pressure Level: 108±3dB at 1kHz 1mWRated Power: 50mWMaximum Power: 100mWSpeaker Impedance: 32Ω±15 percent at 1kHzMicrophone SpecificationsSensitivity: -31±5dB at 1kHz 0dB=1V or 0.316GOutput Impedance: 1200Ω±15 percent at 1kHz Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.