Crystal-clear reception
Noise-suppressing microphone ensures crystal-clear calls, the other end can't even tell you're calling hands-free. Fast charging port
The 5V/ 2.1A USB port is for fast charging your device. You can listen to music while charging you device at the same time. Universal compatibility
Works well with most Bluetooth enabled devices. Compatible with most devices on the market such as Samsung, HTC, Blackberry, Sony, Tablet etc.
VicTsing Bluetooth FM Transmitter:

You may need an In-car FM transmitter to stream music from your phone, tablet, MP3, MP4, TF card, even USB flash disk to the car stereo system.. Enjoy music on the go. Play Music in Multi Way
With FM signal, it can play music from your Bluetooth-enabled audio devices to car stereo system. It also support play music from TF card, USB flash disk. The aux-in makes it can stream music from MP3, MP4 and other audio devices with 3.5 mm port. Easy to switch between TF card, Bluetooth, USB disk mode with "M" button. Super Clear Large Screen
The 1.44 inches large screen will show incoming call number, voltage level in car battery, volume and song name if you play music from TF card or USB flash disk. Charge Your Devices Easily
With a 5V/ 2.1A USB charging port, you can charge your phone or other devices in fast speed. vEasy to Use
Plug it into the cigarette lighter socket, find an empty station, and match it to the transmitter. Then you can pair it with your phone for music.
Specification:

Bluetooth Version: V 3.0 + EDR
Working Current: 45mA (Max)
Stand-by Current: 25mA (Max)
Effective Range: 5
meters frequency range: 88-108MHz
Note:

Please do not play music from two sources simultaneously, or there will be two voices. If you want to change mode to play music, pause the music of the first source, and then play the music of the other source.
Package Included:

1* FM Transmitter 1* 3.5 mm Audio Cable 1* User Manual