Specification:Condition: 100% Brand New Item Type: Aviation Noise Reduction Headset Material: Metal + ABS Color: Black Impedance: 8±1.2Q Rated Input Power: l50 mW Maximum Input Power: 80 mW Czutosc121±5 Decibel SizemmLoudspeaker 40mm±0.2 Options: K Head, M Head, Y Head Fitment Model K Head for Kenwood KPG KPG27D,KPG29D,KPG48D,KPG49,KPG55D,KPG56D,KPG62D,KPG66D, 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 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 for BAOFENG Almost All: UV5R,UV8,UV8D,UVB5,UVB6,A52,UV5RA,UV5RC,UV5RD,UV5RE,UV5RE+ for POFUNG UV-A52,UV-82,UV-8,UV-6,UV-5R,888s,5RA for QUSHENG/for LINTON/for TYT etc Almost all with a two pin plug, Former pin diameter of 3.5mm and 2.5mm in diameter after pin, double pin from 8 min within,11 mm center distance of 2 pin. M Head for Motorola XTN Series: XTN446, XTN500, XTN600 XTN for Spirit MV Series: MV11, MV11C, MV11CV, MV12, MV12CV, MV21C, MV21CV, MV22CV, MV24CVS Y Head For Motorola APX7000, XTS5000, XTS3500, XTS3000, HT1000, PR1500, JT1000, MT1500, MT2000, MTS2000, MTX8000, MTX9000, MT1500, MTS2000, For KENWOOD For ICOM radio, Remote mic, and speak mic with a 3.5mm earphone jack For CD players, MP3 players and cellphones with 3.5mm jack plug. Package List:1 x Noise Reduction Headset1 x 5PIN Connecting Wire1 x K Head or 1 x Noise Reduction Headset1 x 5PIN Connecting Wire1 x M Head or 1 x Noise Reduction Headset1 x 5PIN Connecting Wire1 x Y Head