Retevis RT7 Two Way Radios 3W VOX 16 CH 2 Way Radio Rechargeable FM Radio Walkie Talkies with Earpiece(Silver Black Border,10 Pack) with Programming Cable All have beem programmed to the same frequency so that convenient for your team work USB charging base and emergency LED light is very handy for your business and support long time safe work VOX function provide you real handsfree and FM allow you enjoy your leisure time Easy to operate and crystal voice empower your business with a simple and fast way to communicate Simple and convenient return process;1 year warranty and 30 day return with no questions asked