TECKNET F27 In Car Universal Wireless FM Transmitter with 3.5mm Audio Plug and USB Car Charger Wireless FM Transmitter: Transmits your broadcast audio, smartphone and iPod music to your car stereo system. High Visibility Display: Equipped with clear and high-contrast display, easy to read. Extra USB Car Charger Port: Car Charger with an extra built-in USB port to charge any of your USB devices while driving. Two-button Control: Simply connect your device through the 3.5mm jack, set an ideal FM channel on the transmitter, and tune the car radio to the same channel. Broad Compatibility: Compatible with any Smartphone or audio player with a 3.5mm audio socket, such as iPhone X/8/8 Plus, Samsung, HTC, LG, Sony, Blackberry, Tablet, iPod and iPad etc.