Air Tube Throat Vibration Mic Headset for Motorola Xir P8268 P8200 MTP850S DP3600 APX 2000 DGP8550 Walkie Talkie Earpiece Air Tube Throat Vibration Mic Headset for Motorola Xir P8268 P8200 MTP850S DP3600 APX 2000 DGP8550 Walkie Talkie Earpiece. Sale price : $15.40 Category : Phones & Telecommunications