Feature: 1. Stable To Wear: The sturdy structure can only be worn on the left ear, and the three adjustable suspension strap provides a comfortable fit and stability. 2. Standard: Standard plug, this headset allows to wear under your helmet or hat, it is also very suitable for outdoor activities, such as hunting, CS, paintball and so on. 3. High Quality Material: High strength PTT, can be pressed continuously for 30,000 to 50,000 times, cold resistant PU tensile wire, high flexibility and toughness. 4. Compatible: Flexible cantilever microphone, comfortable headband, high quality ventilated ear cushions, suitable for MOTOROLA XIR P8268 P8668 DP4400 DP4800. 5. Portable: Button activated PTT device, can be clipped on clothes or belt, light, easy to carry and store, plug and play, no special procedures and settings. How to Use: Plug and play. Specification: Item Type: Helmet Headset Material: PU + PTT + ABS Frequency Response: 150Hz-500Hz Sensitivity: 46-60dB Impedance: 8Ω Application: Suitable for MOTOROLA XIR P8268 P8668 DP4400 DP4800 Package List: 1 x U94 PTT 1 x Headpset 1 x Nylon Belt