• The updated 3.0 version of H-777 has a more compact body and a shorter antenna design; you can easily put it in your pocket or wear it on your belt
• The upgraded H-777 can talk to the version 2.0 H-777 on all channels, if you need to talk to other brand walkie talkies, please contact us via Amazon mail
• Come to work with each other out of box and can communicate with all retevis H-777 2 way radios by being on the same channel
• Easy to use walkie talkies for adults with multi features;voice prompt telling you which channel you are on; the radios keep you away from the irrelevant call
• Large capacity battery allows you charge 2-3 hours then use it for 10-12 hours continuous use
• Our walkie talkies is only FRS walkie talkies;the FCC ID is 2AAR8H777;our walkie talkies meet FCC rule part 95