AM/FM CB radio; press the AM/FM key to choose AM mode for long range; choose FM for clear sound; making it flexible to use CB radio | Instant emergency channel 9/19; switch channel 9 to ask for help in emergencies; switch channel 19 to share road information; ensure your driving safety | Squelch function; support independent squelch knob and one key to automatic squelch; struck CB radio with squelch function eliminates background noise; which is a good helper for clear communication | 40 channels; enables drivers to use CB radios for truckers long range without worrying about legal and network problems | VOX hands-free; handheld radio is easy to turn on the VOX function; talk without holding the mic; release your hands to focus on operations in the vehicle | Portable CB radio; compact size makes it easy to carry the CB radio for truck and place it anywhere in the vehicle; light weight makes it easy to put in the bag without having much pressure | 6 Roger beeps; press the RB key to choose the suitable beep to use on various occasions; meeting different use needs effectively | 3.5mm port; connect the external speaker conveniently; making your voice louder to transmit; communication is more convenient | Detachable speaker microphone; stably access to the CB mobile radio; achieving clear communication with better audio quality | Easy to operate; CB radio kit is equipped with a panel and various LED indicators; operate and check the function operations easily and clearly