Roswheel® Portable Handsfree Frosted Touch Anti Radiation 3.5mm Headphone Jack Mobile Phone Retro Walkie Talkie Handset Transceiver Receiver Intercom with Mic LED Indicator Convert Switch Volume Control Button for Car Use Compatible with iPhone Samsung HTC and More Smartphone-Black
Mistaken as true walkie talkie using radio wave to communicate with each other a distant away like in the 1990'. Smart phones have built in radio.  This unit is a mic for listening or talking to your own phone, not a true walkie talkie like in the past.