Feature: 1. [U94 PTT] The button activates the PTT (Push to Talk) device, which can be hung on clothes or belts. The U94 PTT part uses high strength PTT, which can be pressed continuously for 30,000 to 50,000 times. 2. [PU WIRE AND DEEP SOUND SPEAKER] Cold resistant PU tensile wire, with high flexibility and strong toughness. The speaker adopts 32Ω±15% at1kHz imported from Taiwan, which has a large and thick sound. 3. [WIDE APPLICATIONS] The throat microphone headset is suitable for half helmets and full helmets. Suitable for scenes such as jungle, field battle, outdoor riding, etc. 4. [BRACKET TYPE] The bracket type throat vibration earphone has an ergonomic design, the coil size can be adjusted, and it can be adjusted according to the adaptation of the neck. 5. [NOISE REDUCTION] Noise canceling headphones, 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. Specification: Item Type: U94 PTT System Adapter Material: PU+PTT Colour: Black Application: Suitable for Yaesu Vertex VX-6R VX-7R 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. Package List: 1 x U94 PTT 1 x Telescopic Throat Vibration Microphone1 x Earplug1 x Microphone Cable