Super durable and sturdy for extended use; great for hands-free operationDescription:IP54 waterproof.fit for fire-fighting department,police,shopping malls ,hospitals ,airport staff to use.Speaker specification :Dimension:45mmSensitivity:95±4dB@1KHzImpedance:8Rated input power:1WMicrophone specification :Dimension:6.0*2.7mmSensitivity:-44±4dB@1KHzImpedance:2.2KCable :Color :blackLength:41cm/16.14in(undrawn)Diameter: 5.5mmMeterial: PUDurable temperature :-30-120Compatible RadiosType Modelfit for RetevisH777 RT2 RT21 RT22 RT23 RT24 RT3 RT5 RT5R RT5RV RT7 RT8 RT81,RT50,RT3S.fit for Kenwood KPGKPG27D,KPG29D,KPG48D,KPG49,KPG55D,KPG56D,KPG62D,KPG66D,KPG69D,KPG70D,KPG74D,KPG75D,KPG77D, KPG82D,KPG87Dfit for Kenwood THTH-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, 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-415fit for Kenwood TKTK-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-Talk,TK2207,TK3207,TK-2160/3160 TK-980/2000/2107/2160/2178/2207/2307/2312/2360/2402V/3000/3107/3160/3178/3207/3207G/3230XLS/3307/3312/3360/3402U/7302(H)/8302(H) TK-U100/D240/D340/D740/D840 TK-5210(G)/5310(G)/5410/5410D/5220/5320 TK-D740H/D740/D840H/D840/5720/5820fit for Kenwood NXNX-5200/5300/5400/200(G)/300(G)/NX210(G)/410/411/230EX/330EX/700H/700/800H/800/720(G)/820(G)/920(G)/740G/740/840H/840/900/901/5700/5800/5900fit for BAO FENGAlmost All:UV5R,UV8,UV8D,UVB5,UVB6,UV-3R,A52 UV5RA,UV5RC,UV5RD,UV5RE,UV5RE+,UV6R,F8,F8+,U