1. Applicable Model: The 2 way radio headphone is applicable for MOTOROLA Xir P6600 P6620 DP2400 MTP3250 DEP550 DP2400 MTP3550 MTP3150.2. Unique Design: Ventilated type headset penetrates the environment sound, and clear sound transmission, hear your surroundings clearly.3. Installation: The device can be attached to clothing or belts, and the adapter can be mounted on the handlebars of motorcycle, or on the steering wheel of car.4. Headband: The walkie talkie headphone features flexible headband that can be freely adjusted to any length for a snug and comfortable use.5. Complete Kit: The package includes headphones, microphones, headbands, adapter cables, button cables, complete accessories, simple installation and strong practicality.Specification:Item Type: 2 Way Radio HeadphoneMaterial: ABSFrequency Response: 150hz-500hzSensitivity: 46-60dbImpedance: 8ΩSuitable Ears: Suitable For Both Left And Right EarsApplication:Suitable for MOTOROLA Xir P6600 P6620 DP2400 MTP3250 DEP550 DP2400 MTP3550 MTP3150PackageList:1 x Headphone1 x Microphone1 x Headband1 x Adapter Cable1 x Key Cable