Reachargeable Walkie TalkiesThe rechargeable walkie talkies come with 3*600MAh NI-MH AAA rechargeable batteries and USB charging cables, it supports fast charge and provides overcharge. | Sound Activation Transmission (VOX)VOX-Hands free function,connect with your family and friends anytime, anywhere while exercising outdoors. | Built-in LED flashlightThe flashlight can illuminate and emergency in outdoor night. |