Retevis RT20 Walkie Talkies Mini Size VOX Double Encryption Security Two Way Radios with FM Function(Silver, 5Pack) Mini size plus function keyboard and long sling make it very easy and convenient for you to carry or operate it Scramble function and special signaling under CDCSS model double encrypt your conversation to keep you from irrelevant signal interference VOX function enable you hands free operation and keypad lock function prevent the unconscious press when you are moving around USB charging cable and adapter for each radio enable you charge your radio faster and safer Simple and Convenient return process;1 year radio warranty and 30 days no reason to return