CHGeek Bluetooth FM Transmitter Radio Adapter Hands free Call Car Kit MP3 Player with Switch Aux<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Most Advanced: This radio adapter is especially designed with an on/off switch(the knob) for you to turn off the screen and connection. When you charge your phones and want to listen to the normal radio stations， you can turn off it so that it won't have interference</li><li>4 Playing Sources: It is an absolutely superior gadget to connect your old style cars which assists for FM and MP3 playing with 4 sources: Bluetooth， TF card(Micro SD card)， USB flash drive(U disk) and 3.5mm Audio cable(Auxiliary Input). Short press “M” button to switch them</li><li>Great Sound Quality: This car kit utilizes the most advanced interference and noise cancellation technology which provides you with crystal clear sound and stable audio signal. Now you can listen the audio book and route direction while driving</li><li>Dual USB Car Charger: 2 USB ports can be used simultaneously. One rated at 5V/2.1A is more than enough for any phones and even tablets. The other one outputs 1A which is designed for reading the USB flash drive as well as charging your phone. Attention: Total working power CAN NOT EXCEED 12W</li><li>To Your Surprise: Built-in a microphone that allows you to enjoy convenient hands-free calling. Once you set it on desired FM frequency， it stays on! Support A2DP， voice prompt， answer/ hang off/reject/redial calls</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ULfsCusXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Z5k8f4fIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/511CMyFdofL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/512GuqZdbAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51a%2B2Daw-wL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514GBY5Q2JL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ybmLNnTsL.jpg" noproxy>