Retevis H-777 Walkie Talkie Earpiece with Mic 2 Pin, Compatible with Retevis RT22 RT21 H-777 RT68 RT19 BAOFENG UV-5R pxton Arcshell AR-5 AR-6 Walkie Talkies, D Shape Two Way Radio Headset (5 Pack)

* D shape earpiece with D ring style loop design of ear hook earpiece; it allows you totally get long time wearing without dropping from your ears * Built in line microphone; super voice sensitive detection make you talk successfully even in low voice * 360 degree remote microphone with durable ptt button; you needn’t to pick up your walkie-talkie when communicating with your partner * Reliable cable; PU wire cable for greater durability keep clearly transmit voice in extreme noise for long term usage * Compatible with Retevis H-777 RT21 RT22 RT-5R RT17 RT18 RT19 RT27 UV-5R serie Arcshell AR-5 Kenwood two way radio and more