For open/full face helmet; Install two speakers and a microphone with tape in the helmet; ensure that the sound is clear and loud
2 stickers in each set; easy to install in the helmet and can be fixed firmly; better fit with helmets
Finger PTT design; comes with an extra finger PTT wire with sticker which can be fixed to handlebar; convenient to use
Boom mic; microphone of walkie-talkie headset can be adjusted to the mouth for clear sound transmission
K head plug 2 pin; compatible with Retevis Retevis RT22 RT21 H-777 RT68 RT22S RT19 RT15 RT18 RB29 H-777S RT27; compatible with Baofeng BF-888s UV-5R; compatible with Kenwood TYT Two-Way Radio etc