Retevis RT21 Two Way Radio Rechargeable 2 Way Radios UHF FRS 16CH VOX Scrambler Emergency Security Long Range Walkie Talkies with Secret Service Earpiece (10 Pack) Solid build portable walkie talkies; quality body and rotate button can withstand long time use and collision saving much money in the long run Good reception and crystal transmission sound; Strong penetration and audio keep you and your team always stay in contact with loud clarity sound quality in building or outdoor Anti-interference and private team conversation; Scrambler will shield other people chatter and ensure you and your team have quiet and private talk Superior accessories; Coming with the " secret service " ear tubes help you keep clear call in noisy environment; durable belt clip and hand strap is convenient to carry; The charging base and adapter is convenient for you to charge it anywhere 1 year warranty and 30 days no reason to return; no matter any reason within 30 days you can apply for a return including the radio accessories