Seamless FM Connectivity This car FM transmitter provides clear, stable transmission from phones or PCs to your vehicle radio. Compatible with most FM channels, it delivers sound for music, calls, or podcasts during driving, enhancing your in car audio experience on the go. Two USB Speed Charging Ports Equipped with two speed USB ports, this adapter charges multiple devices simultaneously, including phones, tablets, or other USB powered electronics. for travel, commuting, or long road trips, it keeps devices powered while staying connected. LED Display Interface The integrated LED display shows FM frequency, battery voltage, and connection status clearly for easy setup and monitoring. Its bright, user friendly interface ensures quick adjustments while driving without distraction, making it convenient and safe for daily use. Hands Calling with Built In Microphone Features built in microphone and hands calling functionality, allowing safe phone conversations while driving. Supports voice dialing and call management, reducing distractions and keeping drivers focused on the road while maintaining clear communication. Use scenarios Daily commute: stream music or podcasts through the car radio while charging your phone for a smooth, distraction drive. Long road trips: keep multiple devices powered and easily switch between music, navigation, and calls without plugging or unplugging frequently. Business trips or PC use: connect a PC or other USB devices to the car radio for media playback or calls, enabling hands communication on the road.