Product Features: Professional style headset with boom microphone Features rugged headset with an adjustable band Switchable PTT/VOX functions Boom microphone flips up out of the way when not in use tape. Compatible for: Kenwood: TH-F6/F6A/D7/D7A/D7AG/D7E/F7/F7E/G71/G71A TH-G71E/K2/K2A/K2E/K2ET/21/21AT/21BT/22 TH-22A/22AT/22E/25/26/27/28/31AT/31BT/41AT/41BT TH-42/42A/42AT/2E/45/46/47/48/55/75/77/G71 TH-205/-215/225/235/235A/235E/315/41 TK-208/220/240/240D/248/250/260/260G/270/270G/308, TK-360G/370/ 370G/372G/373G/320/340/340D/348/350 TK-378/378G/430/431/353/360 TK-2100/ 2102/2130/ 2160/3100/3101/3102/3107, TK-3118/3130/3131/3160 etc Linton LT-2288/3288/6288/5288/3188/2188/3260/2268/3268,/6288/6188/3288A PUXING PX333/888/888K/328/358/999/666/777/777PLUS, WOUXUN KG-UVD1/UVDIP KG-669/659/679/689/639/699/801 QUANSHENG TG-K4AT/2AT/22AT/45AT/42AT/25AT/UV RELM RPU416,RPV516,RPU499,RPV599X WEIERWEI VEV-3288S,VEV-6288,VEV-3288 BAODEENG UV-5R Series BF-480/490/320/V6/520/530/999/888/777/666S/777S/888S HYT TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088 TYT Retevis: H-777, RT-5R, RT-5RV, RT-B6,R888s/RT 1/RT 2 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.