ITEM NAME:Hot Baofeng Throat Mic Air Tube Earpiece Headset for Baofeng UV5R 888S UV82 UV8D Product Description Extendable Size: Adjustable to suits neck size between 12" and 15". Excellent Sound Quality: Dual-mic transponders designed on both the left and right side, sound is absorbed via vibrations from the throat and transferred to the radio which is then converted into recognizable voice frequencies. So the throat microphone eliminates most background noise whether in the battle field or on the job site. Snug Fit Transparent Ear bud: The mushroom shaped acoustic tube earpiece is the best choice for long-hour operation. This throat mic is available in a professional grade acoustic ear coil. The proprietary, ergonomic design of the ear cushions ensures good fit over a wide range of ear sizes. Fine Transparent Acoustic Tube: You may hide the throat mic under the collar and the transparent tube earphone is not easily detected by the others. This is ideal for discreet communications. Analysis Of Experimental Tests: You may found cheaper throat mics (come with 1 mic on one of the sides) in the market, but sound quality will tell the difference. We have tested a number of similar products and this one is simply the best in transmitting voices in their authentic tones. Specification: Speaker Size 12mm Microphone Size 6.0*5.0mm Sensitivity 120 dB, +/-3dB Frequency Response 20-16000 Hz Impedance 32 ohms, +/-15% Sensitivity -37.56 dB,  ± 2dB Audio Input 200 mW Impedance 2.20kÉ &1kHz Resonance fre 400Hz +/-20% S/N ratio: Min. -56dB &1.1kHZ Notice: Before purchasing, please make sure it fits your radio. Thank you. Model: Series / Number: for TYT TH-F2 / TH-F3 / TH-F5 / TH-F6 / TH-F7 / TH-F8 / TH-UVF8D /  TH-UVF1 / TH-UVF9/D for PUXING PX-777/Plus   PX-666 PX-888/K PX-328 PX-333 PX-999 PX-555 etc. QUANSHENG TG-K4AT,   TG-2AT, TG-45AT, TG-42AT, TG-22AT, TG-25AT, TG-UV2 etc. for WOUXUN KG-699,   KG-689, KG-669, KG-679, KG-703, KG-659, KG-639, KG-833, KG-889, KG-869,   KG-819.The mushroom shaped acoustic tube earpiece is the best choice for long-hour operation. This throat mic is available in a professional grade acoustic ear coil. The proprietary, ergonomic design of the ear cushions ensures good fit over a wide range of ear sizes.
