Doosl® FM Transmitter 

FM Transmitter, compatible with iPhone, iPad, iPod, Samsung, HTC, MP3, MP4 player and most devices with 3.5mm audio jack.Internal 300mAh rechargeable battery, it can continuous play for 10 hours. You can enjoy your favourite music during your trip without any worries.Supports the last FM frequency memory function, and uses PLL Phase-lock Technology to makes sure the stable output in all circumstances.Supports hands-free phone conversation through the car stereo for safe driving.Built-in digital tube display, easy to read and won't cause distraction in car; Left and right buttons to adjust FM frequency, convenient to use.

Features:
- Listen to your favorite music on your car stereo
- Easy-to-read digital display
- Convenient to control
- The last FM frequency memory function 
- Built-in soft light, will not cause distraction in car
- Hand free calling for safe driving
- 300mAh rechargeable battery, up to 10 hours playback

Easy operation:
1. Turn on your car stereo and select a blank and clear frequency which is without any interference from 88.1-107.9MHz.
2. Connect the Doosl® FM Transmitter with your device via 3.5mm audio jack, and adjust to the same frequency as the car FM radio. 
3. Now enjoy your favorite music!