Retevis Walkie Talkie Earpiece for Retevis H-777 RT21 RT22 BF-888S UV-5R, Noise Reduction Headset PTT with Microphone Kenwood Portable Two Way Radio Earpiece (1 Pack)

* Noise reduction walkie talkie headset with mic designed with 2 layers of professional noise dampening foam to protect you from work-related hearing loss * Comfortable soft skin lightweight sponge-filled earmuff designed with resist compression allowing comfortable days wearing; giving you high quality sound quality even in noisy environments * Advanced ABS shell material is more durable for long term use; dual volume adjustment knobs and waterproof connector design totally meets you needs * Dustproof mic close to mouth for picking up nature crisp sound; finger PTT and VOX switch totally allowing handsfree communications * 5 Pin aviation headset link line; waterproof connector makes the application more extensive; ideal for engineer of manufacturing; technician of processing industry; construction teams; airport staff; racing teams and more