The Earldom ET-M78 is a multifunctional car FM transmitter that combines hands-free calling, wireless music streaming, and efficient charging in one compact device. Featuring Bluetooth 5.0 technology, it ensures stable connectivity, while the dual USB ports and a Type-C output allow you to charge multiple devices at once. Its power-off memory and auto-reconnect functions make it an ideal smart companion for daily commutes or long road trips. Specifications Brand: Earldom Model: ET-M78 Bluetooth Version: V5.0 Working Voltage: 12V–24V Output Ports: USB-A1 (5V/1A), USB-A2 (5V/2.1A), Type-C (5V/3A) Music Format Support: MP3 / WMA FM Frequency Range: 87.5 – 108.0 MHz TF Card Slot: Yes Color: Black Lighting: LED Accent Light Key Features Supports Bluetooth hands-free calling for safer driving Streams music wirelessly via Bluetooth with high clarity Dual USB ports and a Type-C output for simultaneous fast charging Auto reconnects to last paired device with power-off memory Compatible with both Android and iOS smartphones LED light for easy nighttime operation Compact and user-friendly design perfect for all vehicles with 12V–24V sockets