The Earldom ET-M42 is a multifunctional FM transmitter that brings seamless audio streaming, hands-free calling, and efficient charging to your car. Featuring Bluetooth V4.0 + EDR technology, it supports Micro SD, TF cards, and USB flash devices for flexible media playback. With a large LCD display, equalizer settings, remote control, and last frequency memory, it delivers convenience and high-quality sound on the road. The 3.6A USB output also ensures your devices charge quickly and efficiently. Specifications Brand: Earldom Model: ET-M42 Bluetooth Version: V4.0 + EDR Media Support: Micro SD/TF card, USB flash drive Audio File Support: MP3, WMA, WAV Display: 16-bit large LCD for track information FM Frequency Range: 87.5 – 108 MHz (206 channels) Equalizer: Built-in for digital sound adjustment Remote Control: Infrared remote included Charging Output: 3.6A via USB Color: Black Key Features FM transmitter with wide frequency range and clear audio Bluetooth connectivity for wireless music streaming and calls Supports multiple media sources for music playback Large LCD screen for easy track and function visibility Built-in equalizer for customizable sound experience Infrared remote control for added user convenience Memory recall for last used FM frequency Fast USB charging with 3.6A output Stylish and compact design suitable for any car interior