The Earldom ET-M71 is a multifunctional FM transmitter that transforms your driving experience with seamless Bluetooth connectivity, high-speed charging, and vibrant atmosphere lighting. Designed for universal compatibility with smartphones, tablets, laptops, and car stereo systems, this device not only streams your favorite music via Bluetooth and USB but also keeps your devices charged with advanced PD and QC3.0 fast charging technology. Enjoy dynamic lighting with 7 ambient colors and a wide FM transmitting range, making every ride more enjoyable and connected. Specifications Brand: Earldom Model: ET-M71 Connectivity: Bluetooth, USB Input: DC 12–24V USB Output: 5V/3.1A USB-C Output (PD/QC3.0): 5V/1.8A, 9V/2A, 12V/1.5A (18W) Bluetooth Version: 5.0 FM Transmission Frequency: 87.5 – 108.0 MHz Media Support: USB Compatible Devices: Smartphones, Tablets, Laptops, Car Stereo Systems Hardware Interface: USB 3.0, Bluetooth Power Source: Corded Electric Key Features Bluetooth 5.0 wireless connection for smooth audio playback and hands-free calls Dual fast charging options with USB and Type-C PD/QC3.0 output up to 18W Supports a wide FM range (87.5 – 108 MHz) for stable signal transmission 7-color ambient lighting adds visual appeal and enhances night driving Universal compatibility with all Bluetooth-enabled devices Clear USB media playback for MP3 and other audio formats Safe and reliable design with built-in protection features Perfect for both music lovers and multitaskers on the road