PRODUCT DESCRIPTION: 1. CAR CHARGER CAR MP3 CAR HANDS-FREE PHONE CALLS (SOME CELLPHONES DO NOT SUPPORT THIS FUNCTION), 3 IN 1 FUNCTION 2. INPUT VOLTAGE: 12-24V CAN SUPPLY THE MAXIMUM POWER 5V/2.1A FOR PHONE/MP3/MP4/MP5/GPS AND OTHER DIGITAL PRODUCTS 3. SUPPORT USB DISK MUSIC PLAYING, SUPPORT MEMORY STORAGE WHEN POWER OFF 4. SUPPORT MP3 AND WMA FORMAT AUDIO FILES 5. LCD SCREEN
