H 777S Walkie Talkies Long Range Heavy Duty Portable FRS Two Way Radios Hands DETAILS Walkie talkies long range; powerful antenna offers decent range for your communication; ensures you to stay connected with your partner Durable walkie talkies; internal aluminum plate is more sturdy; suitable for long term use on construction sites; education; hospitality; church; warehouse; healthcare; or commercial Two way radios rechargeable; six way multi charger supplies power for 6 two way radios or batteries at the same time; needn't plug in six charger bases for fast and convenient charging Working out of box; very easy to use; no complicated operation is required; it can be directly used with Retevis RT22; RT28; RT21 Crystal 2 way radios; clear audio ensures crystal sound within its coverage; VOX function will achieve hands free operation by voice activated Walkie talkies for adults; 16 channels; 1100mAh large-capacity battery with long standby time; portable FRS two-way radio; improve work efficiency Multi-function radios walkie talkies; VOX hands-free; low battery alarm; battery save function; meet daily needs