The Car FM Transmitter features advanced Wireless4.2 technology, 5V/3.0A fast USB Charging and USB Disk/MMC Card Reading. An essential gadget for safe driving and enjoying trip, it can easily let you listen to stereo music and hand-free calling on the go. With high-quality Wireless and FM signal connection, it can easily stream music from your smartphone, tablet, MMC card, even USB disk to the car stereo system. Built-in high-sensitive microphone with CVC noise cancellation for crystal clear hands-free calls to ensure safe driving when answers incoming call. Moreover, 5V/3.0A USB fast charge ports always keep your mobile devices fully charged.

Features:

• The one has built-in smart charge IC for fast charging (5V / 3A output), increasing the charging efficiency to get your phone full charged in short time; the other is designed for reading USB flash drive’s audio files (Note: Cannot charge).
• With stable Wireless and strong FM signal connection, it can play music from your wireless-enabled audio devices (such as, smartphone, tablets or audio player, etc.) to your car’s stereo system. It also support play music from MMC card (up to 32GB) or USB disk (up to 32GB).
• Stable Wireless4.2 connection and CVC noise cancellation technology of high-sensitive microphone ensures crystal-clear calls. Meantime, it will ensure safe driving when answer incoming call.
• Simply insert it into the cigarette lighter socket, turn your car FM radio on, find an empty frequency, and then set the FM transmitter to the same frequency as the car's FM radio. Easily streams music and calls directly from your mobile devices to car stereo system via FM radio signal (87.5-108.0 MHz).
• Charges steadily even on bumpy roads thanks to the wider circuitry contacts of stainless steel on both sides. (Note: Our product works only with vehicles at 12-24V, please check your vehicles voltage first.)