Highlights3 Music Playing ModesCrystal Clear Hands-free Call5V / 3.4A Dual USB Charge PortsWide CompatibilityDetails*Features* - **3 Music Playing Modes* - With strong FM signal,it can play music from your wireless-enabled audio devices(such as,smartphone,tablets or audio player,etc.) to car stereo system. It also support play music from TF card(up to 32GB) or USB disk(up to 32GB). And,it supports MP3/WMA format.**Crystal Clear Hands-free Call* - Stable wireless connection and CVC noise cancellation technology of high-sensitive microphone ensures crystal-clear calls. Meantime,it will ensure safe driving when answer incoming call.**5V / 3.4A Dual USB Charge Ports* - The one with musc icon is for USB disk reading or 5V / 1A output charging. The other with charge icon is for fast charging(5V / 2.4A output),charges your tablet or other devices in fast speed.**Effortless Operation* - Simply insert it into the cigarette lighter socket,turn your car FM radio on,find an empty frequency,and the