Special Bluetooth Car handfree Kit with LCD Display 1. Bluetooth 2.0 Compliance (Downward Compatible with 1.1/1.2).2. Class 2, operating ... capacity, reception, car kit menu, phonebook, caller ID, calls history, etc.4. Color changeable backlight with 5 pre-set and 1 user- ... (both speaker independent and dependent methods) with one button.13. Easy software upgrade via mini USB.14. Operating on 12/24v ...