Retevis RT7 Adults Walkie Talkies Rechargeable,Long Range Two Way Radios,2 Way Radios with Earpiece Large Speaker Flashlight,for Hospital Security Warehouse(4 Pack)

* RT7 portable handheld walkie-talkie with long antenna design; provides long distance and strong penetration; can easily penetrate buildings * Built-in large speakers; crystal sound quality; multi-level noise suppression function can effectively reduce environmental noise and provide clear sound; suitable for noisy environment * Built in 1000mAh cold resistant rechargeable lithium battery; which provides 8-10 hours of frequent use; with low battery alarm and power saving function;USB charger * Easy to use; work with each other out of box; can talk directly with H-777 and RT22 walkie-talkies * VOX function for true hands free communication; built in LED flashlight provide additional visibility in dark environments; G-type headset and belt clip makes it easy to carry