Retevis Walkie Talkie Earpiece with Mic, for RT22/RT21/RT68/H777/RT86 | Acoustic Tube, Compatible with Pxton, Baofeng BF-888S, Kenwood walkie talkies, Security Surveillance Headset(10 Pack)

Ideal for churches/schools/events/sporting events/stadium security; football referee headset excellent for use in outdoor viewing, sports games, large-scale competitions, outdoor activities, law enforcement, patrolling; hotels, retail stores, restaurants, large dance halls, nightclubs, arcades, corporate events, holiday parties, concerts, and other crowds and noisy environments; ideal for school 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 qualityacoustic tube headset earpiece; 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; don’t 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