With the Monster Bluetooth® FM Transmitter with 3.1 Amp USB Charging Ports, you’ll be able to effortlessly stream audio to your car’s FM stereo. Linked directly to your Bluetooth device, you can transmit music from your phone, tablet, or laptop with ease. The Bass Boost enhances your audio for high-quality playback from any device. You’ll also be able to connect to Google Assistant or Siri for voice-control activation on all your files. The Built-In Microphone has echo-reduction for the ideal hands-free call. Two 3.1 Amp USB ports allow you to charge two devices simultaneously with no connectivity issues. These ports consist of USB-A and USB for specific items. The transmitter also reads audio from Micro SD and USB files for optimal playback quality. All you have to do is insert a USB drive into the left slot or a Micro SD Card into the Micro SD slot for automatic playback. For the ideal way to hear your favorite songs, make hands-free calls, or even charge two compatible devices, turn to the Bluetooth FM Transmitter With 3.1 Amp USB Charging Ports.