G shape earpiece; with g ring design for stay in ears well without falling off; its comfortable hygienic and lightweight and works on right or left ear Crisp sound quality; sensitive mic to pick up clear nature sound for smooth transmitting; no distortion; attenuation or frequency jumps; comfortable press feel Coil design; the flexible cable can be adjusted the length for carrying the radio on pocket; powerful to meet your needs in different activities 360 ° rotatable; flexiable stainless steel clip give you the best radio communication experience while on the communication Widely use; standard K head 2 pin for most walkie-talkies; compatible with Retevis H-777 RT21 RT22 RT68; compatible with Baofeng BF-888S UV-5R UV-82; compatible with Kenwood TK-3402; compatible with Arcshell AR-5 two way radios and more