Retevis Walkie Talkie Earpiece with Mic, for RT22 /RT21 /RT68 /H777 /RT86

Features

• Football referee headset excellent for use in outdoor viewing, stadium security, sports games, event security, large-scale competitions, outdoor activities, law enforcement, patrolling, restaurants, hotels, schools, large dance halls, nightclubs, arcades, corporate events, holiday parties, concerts, and other crowds and noisy environments; ideal for school security; teachers and staff; provides instant campus communication for student supervision; school events and emergency coordination
• K head 2 pin two way radio earpiece; multi-brand compatibility; for Retevis RT21/RT22//H777/H777H/RT68/RT68H/RT19/RT22S/H777S/H777D/RT27/RT21H/MateTalk B4/RT86S/RB58/RB26H/C6B walkie talkies; compatible with Pxton, Baofeng UV-5G Plus/BF-888S/BF-T26, Kenwood and more; former pin diameter of 3.5 mm and 2.5 mm in diameter after pin; double pin from 8 mm within and 11 mm center distance of 2 pin
• Comfortable surveillance earpiece; acoustic tube design; the mushroom head earplug of covert acoustic tube earpiece with mic is soft and comfortable; the security earpiece fits snugly in your ear easily; suitable for long-term wearing
• Clear sound quality; walkie talkie earpiece with sensitive mic to pick up clear nature sound for smooth transmitting; no distortion or attenuation; the mic built in can pick up your voice easily; sound is transmitted through air into ear canal; make communication more private
• Sensitive PTT; with PTT (push-to-talk) functionality; dont have to hold walkie talkies all the time when talking; just press the PTT button of radio earpiece to communicate; sensitive PTT button allows for precise pressing even when wearing gloves; great for smooth communications with your partners