With the Bluetooth-transmitter for cars you have the ability to play your favorite music stored on a USB Flash via FM. Place it in the cigarette lighter socket in your car, connect the USB flash or Bluetooth from your mobile phone and enjoy your favorite songs, through an empty station on your car radio. It also allows you to talk on the phone via hands-free on the car speakers while driving, without having to hold your mobile phone or use headphones with cables, simply connecting the phone's Bluetooth. It has: USB socket x 2, Built-in music management and call answering keys, Digital LED display. Frequency range: 87.5 – 108MHz