LED displays clock, battery and temperature meter</br>AUX-input to play 3.5mm compatible audio devices</br>Requires 1 AAA battery or USB car charger (both not included)</br></br>Product Description</br></br>Digital high-fidelity sound operates on FM channels 87.5–108MHz. LED displays clock, battery and temperature meter. AUX-input to play 3.5mm compatible audio devices. Requires 1 AAA battery or USB car charger (both not included)</br><br/>http://www.amazon.com/gp/product/B004Q3NJ8W