Including a standard 3.5mm mono earphone jack at the bottom of the microphone covered with waterproof flap. It enables you to talk and listen without having to move the radio. Just clip the mic where convenient and use it to listen and transmit.Notice: If your walkie-talkie type is not in the list below, please see my other items or email us your model number, then, we will help you find one that suits for you. Compatible Model: for Kenwood KPG KPG27D, KPG29D,KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D,KPG74D, KPG75D, KPG77D, KPG82D, KPG87Dfor Kenwood 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-415for Kenwood 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/888Sfor HYT TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088. for PUXING/ for QUSHENGAN /for LINTON/for TYT etc. 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.Is,Display: YesType: AccessoriesTalk Range: base on the radioMaximum Range: Less than 1.5kmWalkie Talkie Type: PortableModel Number: Speaker MicFrequency Range: base on the radioStorage Channel: base on the radioPTT for Ham Radio: Two Way RadioFor Baofeng UV 5R Radio: for Kenwood RadioTwo Way Radio Accessories: Speaker MICFor Portable Radio Set: Portable RadioSpeaker: CB RadioSpeaker MIC: Handy Radio2 Pin Mini PTT Speaker MIC: Walkie Talkie AccessoriesPTT Speaker: for baofeng uv 5rDescription: 1. 360 degree swivel lapel clip on the back of the microphone.2. water resistant design for rugged use.3. Two-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin).Specification: Speaker: SPL: 94dB +/- 3dBImpedance: 8 +/- 15%Audio: 1WMicrophone: Type: electret microphoneFrequency: 20-16000HZSensitivity: -38dB +/- 2dBImpedance: 2.2K colour: BlackMaterial: ABSsize: Speaker: Size: 36mmSpace of two-pin: 11mm.Microphone: Size: 9.7 * 6.7mmPackage Contents: 1*Walkie Talkie PTT SpeakerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.