Check the listing for details. Nulaxy KM18 Wireless In-Car Bluetooth FM Transmitter - Black. Color: Black, Condition: Used, Made in China. Listed at 8.00 USD. The Nulaxy KM18 Wireless In-Car Bluetooth FM Transmitter in black is a versatile portable audio accessory designed for in-car use. With its USB-C input connection, Bluetooth wireless output connection, and FM band, this transmitter allows for seamless connectivity and audio streaming. The device features multiple audio inputs including digital audio optical TOSLINK, station presets, charging capability, and an LCD screen for easy navigation. Additionally, it includes a cell phone cradle, jack connector, auto-scan feature, and memory card slot for added convenience. Ideal for universal compatibility, this Bluetooth transmitter from Nulaxy is a practical and reliable choice for on-the-go music lovers.