The  BTFM4 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. The Digital LED Display shows the exact frequency the transmitter is tuned to for easy syncing with your vehicle's stereo system. The Dual 2.4 + 1AMP USB ports on the car charger plug into any vehicle's 12V power port to power and charge your device at the same time. The convenient design of the LCD provides an easy-to-read interface, so you know exactly what station or frequency is tuned to. 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. It’s super easy to use Siri and Google Voice on your device with the BTFREQ FM Transmitter. The FM Transmitter’s remote control allows you to safely and conveniently switch between radio stations, play/pause music, or switch between the previous or next track. The universal car kit and FM Transmitter are compatible with your iPhone, iPod, Android, MP3 Player, Bluetooth-compatible, or any other compatible Bluetooth device. Perfect for use in your vehicle while making hands-free calls, listening to music every day, or while taking a long road trip!

• BLUETOOTH HANDS FREE CALLING: Make hands-free calls from your Bluetooth enabled Smartphone.
• DIGITAL DISPLAY: LED Displays the exact frequency the transmitter is tuned to for easy syncing with your vehicles stereo system.
• WIRELESS MUSIC STREAMING: Wirelessly Stream music from the Digital FM transmitter to your vehicles FM stereo.
• BUILT-IN CHARGER AND CONTROLS: Charge your devices with the Dual 2.4 + 1AMP USB ports on the 12V car charger and change music tracks forward/back, play/pause, answer/hang up the phone or voice controls like Siri and Google Voice.
• COMPATIBILITY: Works with all iPhone, iPod, Android, MP3 Players, smartphones and other mobile devices with Bluetooth.
• Backed by ’s Lifetime Tech Support and 3 Year Warranty