Product Name: Light Weight Vibration Throat with Mic Two Way Radio Earphone Model NO.: TH-08R1 Jack Type: Plug-in Jack Diameter: 3.5mm Function: Noise-Cancelling Usage: Mobile Phone Type: Electret Earphone Color: Black Material: PU Brand: for Walkie Talkie Colour: Black User: Security,Policeman Warranty: 10 Months Model No.: Th-08r1 Trademark: WG Transport Package: 1PCS/Plastic Bag, 50PCS/Polg Bag Specification: Plastic Origin: China HS Code: 8518300000 Product Description Walkie Talkie Throat Microphone Headset with acoustic tube & large PTTWGTON Model No.:TH-08R1Features:1. Light weight throat microphone2. High volume of voice due to the sensitive stripper3. Robust steel frame4. AllhaveKevlarreinforcedcableassembliesandovermoldedstrainassembliesandovermoldedstrianrelief5.Smallerin-linePTT6.Comfortablyworkwithtacticalhelmets,motorcyclehelmetsandbreathingmasksThroat microphone Specification SpeakerDimension15mmSound Pressure Level105dB ± 3dBImpedance32Ω ± 15%Voice Frequency100mW MicrophoneFrequency30-16000HzSensitivity-55dB ± 2dBImpedance2.2KΩStorage temperature:+25ºC +/-5ºCWorking temperature:+5ºC to +50ºC/+30ºCto +60ºC