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-205/-215/225/235/235A/235E/315/41 TK-360G/370/ 370G/372G/373G/320/340/340D/348/350 TK-378/378G/430/431/353/360 TK-3118/3130/3131/3160 etc Linton LT-2288/3288/6288/2268/3268,/6288/6188 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 plus/RT-6S Two-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin) A remote microphone with push to talk button you can clip anywhere What's in box: 5 x Retevis Covert Air Acoustic Headset