The Scosche BTFREQ universal Bluetooth hands-free car kit is perfect for making hands-free calls and wirelessly streaming music from your Bluetooth compatible device to your vehicle's radio with a crystal-clear crisp sound. You can stream audio files using your device’s Bluetooth or using the 3.5mm output on your device with the included 3.5mm AUX audio cable. DSP echo cancellation lets you enjoy crystal clear hands-free calls even in noisy vehicles. The 10-Watt 2.1AMP illuminated USB port car charger plugs into any vehicle's 12V power port to power the BTFREQ and charges your device at the same time. The convenient design of the LCD display provides an easy to read interface which can be adjusted and viewed from multiple different angles with the flexible neck. It’s easy to sync; just find an unused FM frequency on your vehicle's stereo and match the same frequency on the FM Transmitter. One-click access makes it easy to use voice controls on your device with the BTFREQ FM Transmitter. The FM Transmitter’s remote control allows you to safely and conveniently switch between radio stations, control the volume up or down, play/pause, or switch between the previous or next track. The Scosche BTFREQ universal Bluetooth hands-free car kit and FM Transmitter is compatible with most smartphones, MP3 Players, and Bluetooth compatible mobile devices with a 3.5mm AUX output port. Perfect for use in your vehicle while making hands-free calls, listening to music every day or while taking a long road trip!