Feature:1. APPLICATION: The motorbike helmet headset is suitable for UV‑9R UV‑9R PLUS UV‑XR BF‑9700. Push the button to activate the PTT (Push to Talk) device.2. HIGH STRENGTH AND HIGH FLEXIBILITY: The high strength U94 PTT can be pressed continuously for 30,000 to 50,000 times. Cold resistant PU tensile wire, high flexibility and toughness.3. GREAT COMFORT: The motorcycle helmet headphone has hook&loop, which are easy to fix on your ears and are comfortable to wear. It can be used with the motorcycle helmet.4. NOISE REDUCTION MIC: The 7.1mm motorcycle bilateral helmet headset is with noise reduction microphone, clear and stereo sound in communication. Can be hung on clothes or belts with a clip.5. BASIC PARAMETERS: 150Hz‑500Hz frequency response, 8Ω impedance, 46‑60dB sensitivity, black appearance, the helmet headset is made of ABS material, which is more durable in use.How to Use:Plug and play.Specification:Item Type: Helmet Headset with U94 PTTMaterial: ABSColour: BlackFrequency Response: 150Hz-500HzSensitivity: 46-60dBImpedance: 8ΩApplication: Suitable for Baofeng UV-9R UV-9R PLUS UV-XR BF-9700 Package List:1 x Helmet Headset1 x U94 PTTNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.