2 pin k1 plug, compatible with baofeng kenwood retevis sancom 2-pin walkie talkie moldes like uv5r 888s rt21 rt22 etc. For more compatible models, please check the product description ^^ Soft comfortable earmuffs headphone ^^ Clear sound without distortion. ^^ Sensitive ptt and boom mic ^^
Inside package: 1 headset + extral 3 mic foams replacements