General description The Bluetooth FM Transmitter Adapter is a versatile device that allows you to charge your devices while enjoying high-quality music through your car's audio system. It features a dual USB connection, including a Quick Charge 3.0 port for rapid charging, and a powerful microphone for hands-free calls. Technical specifications Bluetooth version: 4.2 Quick Charge 3.0 port: Yes USB flash drive support: Up to 64GB Compatibility and accessories Compatible with all Bluetooth-enabled devices including iPhone, iPad, iPod, tablets, Samsung, HTC, Sony, and other Android smartphones. Usage Seamless switching between incoming calls and music for enhanced safety. Echo cancellation and CVC noise cancellation technology for clear calls. Other information Compact design with sandblasted oxidized apple ash surface and stylish metal knurling. LED display for easy visibility in the dark.