... .huari-battery.com/we're 10 years two way radio and power supply factory,with experienced experts and well-trained workers. Our ... ready to be your sincere partner. Two way radio Earpiece with Earbud and Earhook HRE-4013 With PTT&VOX switching,high quality earpiece ... Special features:1) Durability & reliability,clear voice for discreet communication2) With Ear-bud,Ear-hook,push to talk and plug3) VOX ...