Feature: 1. Application: Throat mic headset is replacement for MOTOROLA Xir P6600 P6620 DP2400 MTP3250 DEP550 DP2400 MTP3550 MTP3150. 2. Strong Inclusion: The headset features a telescopic design that adjusts to fit neck sizes between 12in and 15in for powerful inclusivity. 3. Noise Canceling: At the work site, the throat microphone are able to eliminate most of the background noise, giving you a clear sound. 4. Push to Talk: The button activates a PTT (Push to Talk) device that can be hung on clothing or a belt, making it more convenient for you to use. 5. Installation Location: This headset adapter can be mounted on the handlebars of a bicycle or motorcycle, or on the steering wheel of a car. Specification: Item Type: Throat Mic HeadsetMaterial: ABS, Silicone Throat Mic Headset: Suitable for neck sizes between 12in and 15inThroat Mic Headset Plug Specifications: Approx: 7.1mm/0.27in, suitable for U94 PTTApplication: Replacement for MOTOROLA Xir P6600 P6620 DP2400 MTP3250 DEP550 DP2400 MTP3550 MTP3150 . Package List: 1 x Headset Microphone 1 x Earplugs 1 x Headphone Cable 1 x Adapter Line 1 x Button Line