For this Dual USB Ports Car Charger + Audio Cable Blue Light MP3 Player Car FM Transmitter， it boasts high performance， good stability and affordable price. If you intend to get a cost-efficient car FM transmitter， do not lose the chance here. Designed to compact size， it looks so exquisite and can easily fit into your car slot. Blue light makes it easy for reading. What makes this FM transmitter advanced may be its remote controlling within 5m. This FM transmitter supports MP3 format， making you enjoy fair-sounding songs while driving. Additionally， inbuilt dual USB ports， it could charge 2 digital device at the same time. Isn’t it a practical item?                                    Features             Compact-sized and portable<br> Low input voltage and working current is energy-saving<br> Blue light makes it easy to read<br> Supportive MP3 format make you enjoy songs while driving<br> High fidelity stereo， digital technology<br> With dual USB ports for charging two devices at the same time<br> Also come with an audio cable for convenient use   <br>                                                            Specifications             Color     Black    <br> Light Color     Blue    <br> Input Voltage     DC 12V~24V    <br> Files Supported     MP3    <br> Working Currency     60- 70mA    <br> Frequency Range     87.5- 108.0MHz    <br> Distance Supported     Within 5m    <br> Dimensions     (5.43 x 1.65 x 0.87)" / (13.8 x 4.2 x 2.2)cm (L x W x H)    <br> Weight     1.52oz / 43g     <br>                                                             Package Includes            1 x Car FM Transmitter with Charging USB<br>1 x Remote Control<br>1 x 3.5mm Audio Cable<br>