VicTsing Wireless Bluetooth MP3 FM Transmitter with Car Charger Adapter Cigarette Lighter/Remote for iPhone 5 5S 5C iPad Air Mini 2 Samsung Galaxy S5 S4 S3 S2 Galaxy Note 3 2 Nexus 5/4 HTC One Blackberry Z10 SONY (Blue) This product is an useful and practicable item, conveniently and easily use, small size and light weight, and portable. It adopting the rotation elbow joint design, with 360 view angle, contributing to the use of the different angle, you can conveniently choose the view angle as your will, and enjoy the video. You can use it in your car, home, office and so on. 2.As for the player related audio source device(cell pone, event data record, GPS satellite navigation, PSP, PDA, MP3/MP4) Inserting the 3.5mm plug into the assist output interface of the audio source device, then the transmit the music and audio signal to your car FM radio, and the voice play through the car acoustics speaker 3.As for cell phone(with the hand free function) Except inserting the 3.5mm plug into the assist output interface of the audio source device, playing the music in the cell phone, it can also used as hand free telephone receiver to assure your driving safety How to switch from the Micro SD card to the cell phone 1)Inserting the Micro SD card with music document into the slot, it can automatic play the music 2)Before playing the music in the Micro SD card, connect the 3.5mm audio source plug with the AUX-IN to the hole of output device, it will automatically switched from the Micro SD card to the cellphone, and playing the music in the output device 3)using the ?POWER?button to (pause/recover) transmission Note?:Don??t take this product down during use, and you should insert the product after the car started, or it will easily burn the product, and leed to the product can not be used with heavy damage. What is included??1 x Blue SMART STAND & FM Transmit Player; 1x Audio cable