Interface type: K (1x 3.5mm and 1 x 2.5mm); Features: iron clamp more flexible and more robust material sound more resonant; Applicable models: Baofeng: BF-UV5R 888S 666S 777S UV5RA UV5REPLUS; 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/388G Pro-Talk TK-430/431 TK-2100/3100 Pro-Talk TK-2102/3102 Pro-Power TK-2107/3107 Pro-Talk TK-2160/3160 TK-2170/3170/3173 TK-2200/3200 TK-3101/3131 Free-Talk TK-3130; Linton: LT-2288 LT-3288 LT-6288 LT-5288 LT-3188 LT-2188 LT-3260 LT-2268 LT-3268 LT-6188 LT-6600 LT-6100 LT-6100plus; Baiston: BST-530 320 2100 2600 650S...; Pu Xing : PX-777 PX-666 PX-3288 PX-888; Weierwei : VEV-3288S VEV-6288 VEV-5188; Feida: FD-6288 FD-268 FD-288; Wouxun: KG-UVD1P.KG-669 KG-669plus KG-689 KG-679 KG-659 KG-689plus; Quansheng : TG-K4AT TG-2AT TG-45AT TG-42AT TG-22AT TG-25AT TG-UV2; As long as the radio interface K (1x 3.5mm and 1 x 2.5mm) can be applied