20 Pack walkie talkie earpiece with mic, K plug, suitable for most of walkie talkie which is K plug/2 pin plug Notice: Before purchasing, please confirm whether your walkie-talkie model is included in the following models. Compatible with UV-5R Series BF-480/490/320/V6/520/530/999/888/777/666S/777S/888S Compatible with 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 Compatible with Kenwood: TK TK-370/ 370G/372G/373G/320/340/340D/348/350 TK-2100/2160/3100/3101/3102/3107 TK-3118/3130/3160 etc. Compatible with Retevis: H-777/RT21/RT22/RT-5R/RT-5RV/H 777S/RT1/RT2/RT5/RT7/RT15/RT17/RT18/RT19/RT23/RT26/RT27/RT28/RT43/RT46/RT50/RT52/RT53/RT67/RT68/RT80/RT81 Compatible with HYT: TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088 Compatible with Linton: LT-2288/3288/6288/5288/3188/3260/2268/3268,/6288/6188/3288A KG-UVD1/UVDIP Compatible with KG-669/659/679/689/639/699/801 Compatible with QUANSHENG : TG-K4AT/2AT/22AT/45AT/42AT/25AT/UV Compatible with RELM: RPU416,RPV516,RPU499,RPV599X Compatible with WEIERWEI: VEV-3288S,VEV-6288,VEV-3288