[Feature:]A remote microphone with push to talk button you can clip anywhere.Sponge earpad earpiece fits snugly in your ears, which keeps your conversation private.Headset microphone can be placed on your mouth, which makes conversation more convenient and simple.Applications: Relevant personnel: police, military, bouncer, and businessman; Related sites: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions, concerts, warehouses, and noisy environments.2-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin).Space of two-pin: 11mm.Speaker DIA: 15±0.5mm Diameter.Impedance: Diameter 20mm 32ohm ±15%.Sensitivity: 103dB±3dB Frequency.Response: 200Hz - 3.5 KHz.Microphone Size: 6.0 X 5.0mm -54dB±2.[Specification:]Applicable Models:Almost All The brand two way radio of China.--for Kenwood KPG: KPG27D, KPG29D,KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D,KPG74D, KPG75D, KPG77D, KPG82D, KPG87D--for Kenwood TH: TH-D7, TH-D7A, TH-D7AG, TH-D7E, TH-F6, TH-F6A, TH-F7, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH-K2A, TH-K2E, TH-K2ET, TH-21, TH-21AT, TH-21BT, TH-22, TH-22A, TH-22AT, TH-22E, TH-25, TH-26, TH-27, TH-28, TH31AT, TH31BT, TH41AT, TH41BT, TH-42, TH-42A, TH-42AT, TH-42E, TH-45, TH-46, TH-47, TH-48, TH-55, TH-75, TH-77, TH-G71, TH-205, TH-215, TH-225, TH-235, TH-235A, TH-235E, TH-315, TH-415--for Kenwood TK: TK-208/308,TK-220/320,TK-240/340, TK-240D/340D, TK-248/348, TK-250/350/353, TK-260/360,TK-260G/360G, TK-270/370, TK-270G/370G,TK-272G/372G/373G, TK-278G/378G/388GPro-Talk,TK-430/431, TK-2100/3100Pro-Talk,TK-2102/3102 ,Pro-Power,TK-2107/3107, Pro-Talk,TK2207,TK3207,TK-2160/3160--BAOFENG: UV5R, BF-480/490/320/V6/V7/V8/658/520/530/999/888/777/666S/777S/888S--HYT: TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088--WOUXUN/ PUXING/ QUSHENGAN/ LINTON/ TYTetc[What's inside:]1 x 2 PIN PTT Mic Headphone Headset for Radio


