The car FM transmitter Hoco E41 allows audio signal transmission from a mobile device to the car audio system via FM frequency range from 87.5 to 108 MHz. The device supports playback of music files in MP3, WAV, and WMA formats, making it a universal solution for listening to various audio materials. With Bluetooth connectivity, the transmitter easily connects with smartphones and tablets. Additionally, it features a USB interface and a slot for MicroSD memory cards for playing music from external devices. The device operates via the vehicle's power outlet and is equipped with screen backlighting for ease of use at night. The Hoco E41 FM transmitter, manufactured in China, represents an affordable and practical accessory for cars.