SOONHUA Car Bluetooth FM Transmitter, Wireless in-Car Radio Bluetooth Adapter 5in1 Car Kit Music Player Hand-Free Calling with Remote AUX Cable Dual USB Support SD/TF Card for iPhone Samsung (Blue) [Wide Compatibility]: SOONHUA Bluetooth Transmitter works with all kinds of popular smart phones the market ( iPhone/Android mobile phones like Samsung,HTC, LG ,Huawei,Sony,etc) and any other electronic devices with a 3.5mm AUX port such as MP3, MP4 Player, and tablet PCs. [Hands-Free Calling]: Simply paired your phone with this Bluetooth FM Transmitter and then you can make hands-free calls easily and safely. Just one click to hang up/off when receiving a call. [Multi-Playing Modes]. Support Bluetooth, Micro SD card (MP3, WMA, format supported), USB flash drive, and 3.5mm Audio cable (MP3 player, tablet, etc.) to play music. Easily make crystal clear hands-free calls with CVC noise cancellation technology. [Automatic Memory Function]: Its power off memory function enables you to start from the song you stopped last time. [Charge Easily]: With two USB charging ports (output 5V-2.1A), you can get your devices full charged in short time. The power comes from cigarette lighter so it is suitable for most cars. <u>Bluetooth Function:</u> You can connect it with your smart phone through Bluetooth Function. <u>Micro SD Card:</u> The audio could be played from the micro SD card (Max capacity 32G). <u>USB Flash Drive: </u>Plug your USB Flash Drive (Max 32G) to the USB port to steam the music. <u>Aux Cable:</u> It comes with a AUX cable which supports to read the music file from external devices like MP3 player and CD players. Press the switch once to answer or end the incoming call. Press the switch twice to dial the previous telephone number. Once the call is connected, you can talk and listen to the caller without holding the phone. It switches to hands-free mode automatically from music playing mode when receiving calls.