About Retevis H777: Well- built walkie talkies with its frequency provider you wider transmission range; high power for strong penetration and high quality mic offer you loud and clear sound Rechargeable battery features 1000mAh larger battery capacity and low battery alert offering more than 30 hours standby time and over 11h of work time 16 channels and each channel can prevent irrelevant signals from interfering; give you a cozy conversation Two way radio is tough and rugged to give your operations well balanced performance in a handy package.
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