2-Port USB Car Charger Compatible with Car Music MP3, U-disk, TF Card,Bluetooth hands free, voice navigation playing

Input: 12-42V

Output: 5V-3.1A

Charging Ports: 2 USB Charging Ports

Indication: Battery voltage monitoring, Voice Reminder, Voice Navigator

Supported storage device: Car MP3, U-Dksk, TF-Card

Working Frequency: 87.5-108MHz

Supported Music Format: MP3, WMA, APE, FLAC, WAV

User manual: turn on FM radio, adjust the frequency to 87.5, plug-in the product, switch on the bluetooth of cell phone to connect with product, it works after connected.

Deisgned with multi-protection chips, intelligently adjust the current, over-voltage protetion and over-heating protection, compatible with many kinds of electronic devices.

Product size; 87x87x79mm