About This Adjustable Frequency: The FM transmitter allows you to adjust the output frequency within the range of 76-108MHz, with a step size of 1MHz or 0.1MHz. It offers a total of 320 transmitter frequencies with a memory function for easy setup. Functionality: Think of this FM transmitter as a compact FM radio station. It takes in an audio and outputs an FM high-frequency that can be received by nearby radios. It's an effective way to broadcast audio to people in the surrounding area. Compatible with Ordinary Radios: The transmitted by this FM transmitter can be received by ordinary FM radios, making it accessible to a wide range of receiving devices. LCD Display: The transmitter features an LCD display that shows the current frequency. It offers an open-field range of up to 2000 meters, providing ample coverage for various applications. Power Supply: The FM stereo transmitter requires a 5V DC power supply, which is supplied through a USB Type C interface. The current consumption is approximately 500mA. Overview Special Feature : LCD Screen Brand : Yoidesu Connectivity Technology : USB Power Source : USB Powered Material : Aluminum