Walkie talkie with FCC certified; non license requirement for talking freely easily; No legal issue and additional frequency usage fees; extremely making your business more professional; pre programmed allows radios work like a charm out of the box; directly work with Retevis RT21 RT22 H-777 RT-5R H-777S and more Visible superior solid made quality for long life using; feeling well even drop from 5 floors; durable walkie talkies belt clips;fixed antenna and big screws last long you thought High quality crisp clear sound ensure team members communications more understandable and efficient; Featuring VOX functions totally provides hand free talks; this 2 way radios can be widely use in security; constructions; warehouse; police office; church or other commercial works; also perfect walkie talkies for adults or families activities like hunting; cruise; road trips; event plants football games and etc The rechargeable 2-way radios supply multi USB charging choice; charging quickly and conveniently; always staying in contact; 210 private codes and scrambler function secure conversations as you need Simple and Convenient return process; 1 year warranty and 30 days return with no question asked