Features:

1.Auto-scan function helps you to easily find an empty station(Press the frequency "down" and "up" buttons simultaneously to use this function)

2.Play all of your portable audio devices with 3.5 mm jacks through your car stereo system

3.With a high-contrast, easy-to-read display and easy-to-use button controls

4.Allows hands-free phone conversation through the car stereo

5.Built-in USB port charges your device while driving

Specifications:

Brand: COOCHEER

Color: Black

Size: 5.1 x 1.3 x 5 inches

Band: FM Frequency

Range: 88.1-107.9MHz

Interval: 0.1 MHz

Stability: 10ppm (-10~+55)

Working Voltage: 12V-24V

USB Output Voltage: DC 5V 1000mA

Stereo separation: 40db

Frequency reponse: 20Hz~16KHz 

Package Content: 

1 x FM Transmitter, 1 x User Manual

-Auto-scan Function: this helps you to easily find an empty station to enjoy great music

-Wide Compatibility: comply with all devices including all smart phones, tablets, MP3, MP4 by 3.55 mm audio cable and simultaneously charges your devices through the USB port.

-Hand-free Phone Call: built in microphone with no worries to reply calls while driving or listening music

-Easy to Use: press the frequency up and down button control,plus with simply display to read

-Quality Guarantee :reliable and friendly customer service ready to respond within 24 hour and satisfied you well with any problem with the item itself.