Features: *Ergonomically designed new style PTT, comfortable than ever to hold *Covert Acoustic Tube Two Way Radio Earpiece provides absolutely clear sound transmission, even in a noisy ambiance *Lightweight design, easy and convenient to wear，Fits either left or right ear *Kevlar Reinforced Cable，Make the headset durable *360°stainless with Side PTT and Metal Swivel Clip it on collar or anywhere close to mouth to transmit for hands free calls Compatible Models: 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 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/RT56/RT66/RT67/RT68/RT69/RT71/RT76/RT80/RT81/RT85/RT97/RT27V/RT47V/RB17/RB18/RB19/RB35 Linton:LT-2288/3288/6288/5288/3188/2188/3260/2268/3268 /6288/6188/3288A Bf:UV-5R/5RA/5RA+/5RB/5RC/5RD/5RE/5RE Plus/UV-82/BF-480/490/530/999/888/777/666S/777S/888S HYT: TC286 386 2685 3865 6685/TC 278 378 388/TC 2100 2088 Wouxun:KG-UV1D/KG-UV2D/UVDIP/KG-669/659/679/689/639/699/801 Puxing:PX333/888/888K/328/358/999/666/777/777PLUS Notice: If your walkie-talkie type is not in the list above, please see my other items or email us your model number, then, we will help you find one that suits for you.Warranty: 30 days no reason return or refundm, 6 months warranty. Friendly & Professional Customer Service.