Radiation-proof : Air acoustic tube protect your body by reducing radio waves radiation.<br />Anti-noise : The Soft plastic earbud fits snugly to either left or right ear and deliver a great sound even in noisy places by air acoustic tube. <br />Tactical Hidden : Transparent acoustic tube earpiece could be invisible by transforming into the surrounding environment.<br /><br />Usage:<br />Related personnel: police｣ｬ military｣ｬ bouncer｣ｬ HAM amateur family businessman and Team member.<br />Related Activity: ATVs｣ｬ the Racing game｣ｬ skiing｣ｬ car racing｣ｬ outing｣ｬ hiking｣ｬ car traveling｣ｬ teamwork｣ｬ large-scale projects Security｣ｬ surveillance and noisy environment.<br /><br />Specification: <br />Speaker Size 16mm Microphone Size 6.0*5.0mm <br />Sensitivity 102 dB｣ｬ +/-3dB Frequency Response 20-16000 Hz <br />Impedance 90 ohms｣ｬ +/-15% Sensitivity -36 dB｣ｬ    2dB <br />Audio Output 100mW Impedance 2.2K <br />Ear Pin  2.5mm stereo Mic Pin 3.5mm stereo <br /><br />Notice: Before Purchasing｣ｬ Make sure it fits your transceiver. <br />If your radio model not listed as follows｣ｬ please email us your model number｣ｬ And｣ｬ we will find one that suit for you.<br /><br /><br /><br /> <br /><br />Package included:<br /><br />1 x  Earpiece Headset Anti-noise Acoustic Tube PTT Mic Microphone For Radio Baofeng