Feature:1. [Sturdy Structure] Sturdy structure, this helmet headset can only be worn on the left ear, and the high quality ventilated ear cushions can achieve peripheral hearing.2. [Adjustable] Motorcycle headphone with flexible cantilever microphone, three adjustable suspension straps to provide you with a comfortable fit and stability.3. [Widely Applicable] Standard plug, can be worn under your helmet or hat, very suitable for outdoor activities such as hunting, CS, paintball shooting, etc.4. [Durable PTT] U94 PTT part uses high strength PTT, which can be pressed continuously for 30,000 to 50,000 times, cold resistant PU tensile wire, strong toughness.5. [Compatible] Push button activated PTT (Push to Talk) device, with clip to on clothes or belt, suitable for UV‑9R UV‑9R PLUS UV‑XR BF‑9700.How to Use:Plug and play.Specification:Item Type: Helmet HeadsetMaterial: PU + PTT + ABSFrequency Response: 150Hz-500HzSensitivity: 46-60dBImpedance: 8ΩApplication: Suitable for Baofeng UV-9R UV-9R PLUS UV-XR BF-9700 Package List:1 x U94 PTT1 x Headset1 x Nylon Belt