Feature:1. Replaceable: PU coiled cord plug connection design, the straightened length can 2.5 meters, suitable for different height requirements, and the sealed sponge earmuffs can be replaced.2. Adjustable: The ear rods can be adjusted in different lengths to suit different people. The PTT button is located at the bottom of the earmuffs, and the red button is lightly touched to initiate a call.3. 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.4. Easy to Use: U94 PTT has a clip that can be hung on clothes or belts. Push the button to activate the PTT (Push to Talk) device. It is safer and more convenient to communicate with others.5. Applicable Groups: The headset is suitable for the staff who communicate with the aircraft in special places such as racing cars, docks, and high altitude operations.How to Use:Plug and playSpecification:Item Type: EarphoneMaterial: PU+ABSColour: BlackApplication: Suitable for Hytera PD600 PD602 PD605 PD662 PD665 PD680 PD682 PD685 X1p X1eMicrophone SpecificationsSensitivity: -44±3dB at 1KHzRated Impedance: 680ΩProduct Frequency: 20Hz-160HzWorking Voltage: 1.5V-4.5VDirectional Function: Single Direction, Noise CancellationSpeaker SpecificationsSpeaker Size (mm): φ36mm/1.4inRated Input Power: 0.5WMaximum Output Power: 1WSensitivity: 100±3dBSpeaker Impedance: 8ΩWire SpecificationsDurable Temperature: 30℃-60℃ Package List:1 x U94 PTT1 x Heavy Duty Noise Canceling Headphones