Happy every day! Description: Brand NewBoth right and left ear can be worn comfortablyThe earbud fits snugly in your ear easily which keeps your conversations private Applications:Relevant personnel: police, military, bouncer, and businessmanRelated sites: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions, concerts, warehouses, and noisy environmentsTwo-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin)Space of two-pin: Approx.11mmColor: BlackLength: Approx. 1mApplicable Models: Almost All The brand two way radio of ChinaCompatible devices: 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 for BAOFENG Almost All: UV5R, BF-480/490/320/V6/V7/V8/658/520/530/999/888/777/666S/777S/888S for HYT TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088 for WOUXUN/for PUXING/for QUSHENGAN/for LINTON/for TYTet Almost All with a two pin plug, former pin diameter of 3.5 mm and 2.5 mm in diameter after pin, double pin from 8 mm within,11 mm center distance of 2 pin.