Feature:1. [Sturdy Construction] The helmet headset can only be worn on the left ear. High quality ventilated ear cushions enable peripheral hearing. The sound is clear and durable.2. [Comfortable] Motorcycle headset with flexible boom microphone, comfortable headband. Three adjustable suspension straps provide a comfortable fit and stability.3. [High Strength] The U94 PTT part adopts high strength PTT, which can be pressed continuously for 30,000 to 50,000 times. The button activates the PTT (push to talk) device, which can be attached to clothing or belts.4. [Applicable] Standard military version plug. The simple design allows it to be worn under your helmet or hat. It is also great for outdoor activities like airsoft, hunting, CS, paintball etc.5. [High Quality Material] The wire is made of cold resistant PU tensile wire, which has high flexibility and strong toughness. Suitable for Sepura Stp8000 Stp8030 Stp8035 STP8038 STP8040 STP8080.How to Use:Plug and PlaySpecification:Item Type: Motorcycle Helmet HeadsetMaterial: ABSFrequency Response: 150Hz-500HzSensitivity: 46-60dBImpedance: 8 OhmsApplicable: Suitable for Sepura Stp8000 Stp8030 Stp8035 STP8038 STP8040 STP8080 Package List:1 x Helmet Headset1 x Nylon Belt1 x U941 x Finger Microphone1 x Fixed Cable Tie