Feature:1. COMFORTABLE: Three adjustable suspension straps for the helmet headset for a comfortable fit and stability. Flexible boom microphone with breathable ear cushions for peripheral hearing.2. COMPATIBLE MODELS: Helmet headset with clear sound, standard military version plug. Suitable for XIR P8268 P8668 DP4400 DP4800, the connection is stable.3. APPLICATION: Unilateral helmet earpiece can only be worn on the left ear, which is very suitable for outdoor activities such as hunting, CS, paintball, etc. Allowed to be worn under a helmet or hat.4. U94 PTT: The U94 PTT part adopts high strength PTT, which can be pressed continuously for 30,000 to 50,000 times. A button activates the PTT, and the unit can be hung on clothing or a belt.5. PU WIRE: Motorcycle helmet headphone with finger microphone and PTT, the wire is made of cold resistant PU tensile wire, with high flexibility and strong toughness.How to Use:Plug and play.Specification:Item Type: Helmet HeadsetMaterial: ABSFrequency Response: 150Hz-500HzSensitivity: 46-60dBImpedance: 8 OhmsApplicable: Suitable for MOTOROLA XIR P8268 P8668 DP4400 DP4800 Package List:1 x Helmet Headset1 x Nylon Belt1 x U941 x Finger Microphone1 x Fixed Cable TieNote: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.